Home / 146,712,639.30-220,068,958.95-89,317,011.30

Finding the Fourth Proportional to 146,712,639.30, 220,068,958.95 and 89,317,011.30

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Solution

The fourth proportional to 146,712,639.30, 220,068,958.95 and 89,317,011.30 is: 133,975,516.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,712,639.30 : 220,068,958.95 = 89,317,011.30 : x
  2. Step 2: Convert to fraction form
    146,712,639.30/220,068,958.95 = 89,317,011.30/x
  3. Step 3: Cross multiply
    146,712,639.30x = 220,068,958.95 × 89,317,011.30
  4. Step 4: Simplify right side
    146,712,639.30x = 19,655,901,693,316,384
  5. Step 5: Solve for x
    x = 19,655,901,693,316,384/146,712,639.30
  6. Step 6: Final answer
    x = 133,975,516.95

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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.