Home / 121,069,156,985.70-181,603,735,478.55-83,411,885,454.90

Finding the Fourth Proportional to 121,069,156,985.70, 181,603,735,478.55 and 83,411,885,454.90

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Solution

The fourth proportional to 121,069,156,985.70, 181,603,735,478.55 and 83,411,885,454.90 is: 125,117,828,182.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,069,156,985.70 : 181,603,735,478.55 = 83,411,885,454.90 : x
  2. Step 2: Convert to fraction form
    121,069,156,985.70/181,603,735,478.55 = 83,411,885,454.90/x
  3. Step 3: Cross multiply
    121,069,156,985.70x = 181,603,735,478.55 × 83,411,885,454.90
  4. Step 4: Simplify right side
    121,069,156,985.70x = 15,147,909,981,918,770,233,344
  5. Step 5: Solve for x
    x = 15,147,909,981,918,770,233,344/121,069,156,985.70
  6. Step 6: Final answer
    x = 125,117,828,182.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.