Home / 111,564,502.20-167,346,753.30-77,127,125.40

Finding the Fourth Proportional to 111,564,502.20, 167,346,753.30 and 77,127,125.40

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Solution

The fourth proportional to 111,564,502.20, 167,346,753.30 and 77,127,125.40 is: 115,690,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,564,502.20 : 167,346,753.30 = 77,127,125.40 : x
  2. Step 2: Convert to fraction form
    111,564,502.20/167,346,753.30 = 77,127,125.40/x
  3. Step 3: Cross multiply
    111,564,502.20x = 167,346,753.30 × 77,127,125.40
  4. Step 4: Simplify right side
    111,564,502.20x = 12,906,974,027,051,966
  5. Step 5: Solve for x
    x = 12,906,974,027,051,966/111,564,502.20
  6. Step 6: Final answer
    x = 115,690,688.10

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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.