Home / 147,822,470.34-203,996,329.92-81,747,413.70

Finding the Fourth Proportional to 147,822,470.34, 203,996,329.92 and 81,747,413.70

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Solution

The fourth proportional to 147,822,470.34, 203,996,329.92 and 81,747,413.70 is: 112,812,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,822,470.34 : 203,996,329.92 = 81,747,413.70 : x
  2. Step 2: Convert to fraction form
    147,822,470.34/203,996,329.92 = 81,747,413.70/x
  3. Step 3: Cross multiply
    147,822,470.34x = 203,996,329.92 × 81,747,413.70
  4. Step 4: Simplify right side
    147,822,470.34x = 16,676,172,375,251,928
  5. Step 5: Solve for x
    x = 16,676,172,375,251,928/147,822,470.34
  6. Step 6: Final answer
    x = 112,812,161.35

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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.