Home / 108,025,158.40-162,112,387.20-77,758,892.80

Finding the Fourth Proportional to 108,025,158.40, 162,112,387.20 and 77,758,892.80

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Solution

The fourth proportional to 108,025,158.40, 162,112,387.20 and 77,758,892.80 is: 116,692,073.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,025,158.40 : 162,112,387.20 = 77,758,892.80 : x
  2. Step 2: Convert to fraction form
    108,025,158.40/162,112,387.20 = 77,758,892.80/x
  3. Step 3: Cross multiply
    108,025,158.40x = 162,112,387.20 × 77,758,892.80
  4. Step 4: Simplify right side
    108,025,158.40x = 12,605,679,737,836,890
  5. Step 5: Solve for x
    x = 12,605,679,737,836,890/108,025,158.40
  6. Step 6: Final answer
    x = 116,692,073.63

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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.