Home / 186,710,688.90-279,940,062.15-89,712,864.90

Finding the Fourth Proportional to 186,710,688.90, 279,940,062.15 and 89,712,864.90

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Solution

The fourth proportional to 186,710,688.90, 279,940,062.15 and 89,712,864.90 is: 134,508,769.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,710,688.90 : 279,940,062.15 = 89,712,864.90 : x
  2. Step 2: Convert to fraction form
    186,710,688.90/279,940,062.15 = 89,712,864.90/x
  3. Step 3: Cross multiply
    186,710,688.90x = 279,940,062.15 × 89,712,864.90
  4. Step 4: Simplify right side
    186,710,688.90x = 25,114,224,975,760,552
  5. Step 5: Solve for x
    x = 25,114,224,975,760,552/186,710,688.90
  6. Step 6: Final answer
    x = 134,508,769.28

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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.