Home / 120,891,915.18-181,337,761.95-37,894,264.62

Finding the Fourth Proportional to 120,891,915.18, 181,337,761.95 and 37,894,264.62

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Solution

The fourth proportional to 120,891,915.18, 181,337,761.95 and 37,894,264.62 is: 56,841,362.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,891,915.18 : 181,337,761.95 = 37,894,264.62 : x
  2. Step 2: Convert to fraction form
    120,891,915.18/181,337,761.95 = 37,894,264.62/x
  3. Step 3: Cross multiply
    120,891,915.18x = 181,337,761.95 × 37,894,264.62
  4. Step 4: Simplify right side
    120,891,915.18x = 6,871,661,136,931,866
  5. Step 5: Solve for x
    x = 6,871,661,136,931,866/120,891,915.18
  6. Step 6: Final answer
    x = 56,841,362.19

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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.