Home / 147,518,332.34-203,569,966.13-81,437,414.50

Finding the Fourth Proportional to 147,518,332.34, 203,569,966.13 and 81,437,414.50

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Solution

The fourth proportional to 147,518,332.34, 203,569,966.13 and 81,437,414.50 is: 112,380,688.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,518,332.34 : 203,569,966.13 = 81,437,414.50 : x
  2. Step 2: Convert to fraction form
    147,518,332.34/203,569,966.13 = 81,437,414.50/x
  3. Step 3: Cross multiply
    147,518,332.34x = 203,569,966.13 × 81,437,414.50
  4. Step 4: Simplify right side
    147,518,332.34x = 16,578,211,711,327,046
  5. Step 5: Solve for x
    x = 16,578,211,711,327,046/147,518,332.34
  6. Step 6: Final answer
    x = 112,380,688.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.