Home / 121,069,156,722.70-181,603,735,084.05-83,411,885,191.90

Finding the Fourth Proportional to 121,069,156,722.70, 181,603,735,084.05 and 83,411,885,191.90

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Solution

The fourth proportional to 121,069,156,722.70, 181,603,735,084.05 and 83,411,885,191.90 is: 125,117,827,787.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,069,156,722.70 : 181,603,735,084.05 = 83,411,885,191.90 : x
  2. Step 2: Convert to fraction form
    121,069,156,722.70/181,603,735,084.05 = 83,411,885,191.90/x
  3. Step 3: Cross multiply
    121,069,156,722.70x = 181,603,735,084.05 × 83,411,885,191.90
  4. Step 4: Simplify right side
    121,069,156,722.70x = 15,147,909,901,250,998,566,912
  5. Step 5: Solve for x
    x = 15,147,909,901,250,998,566,912/121,069,156,722.70
  6. Step 6: Final answer
    x = 125,117,827,787.85

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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.