Home / 121,069,156,924.45-181,603,735,386.67-83,411,885,393.65

Finding the Fourth Proportional to 121,069,156,924.45, 181,603,735,386.67 and 83,411,885,393.65

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Solution

The fourth proportional to 121,069,156,924.45, 181,603,735,386.67 and 83,411,885,393.65 is: 125,117,828,090.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,069,156,924.45 : 181,603,735,386.67 = 83,411,885,393.65 : x
  2. Step 2: Convert to fraction form
    121,069,156,924.45/181,603,735,386.67 = 83,411,885,393.65/x
  3. Step 3: Cross multiply
    121,069,156,924.45x = 181,603,735,386.67 × 83,411,885,393.65
  4. Step 4: Simplify right side
    121,069,156,924.45x = 15,147,909,963,131,658,436,608
  5. Step 5: Solve for x
    x = 15,147,909,963,131,658,436,608/121,069,156,924.45
  6. Step 6: Final answer
    x = 125,117,828,090.47

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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.