Home / 149,468,444.20-224,238,095.70-76,696,456.60

Finding the Fourth Proportional to 149,468,444.20, 224,238,095.70 and 76,696,456.60

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Solution

The fourth proportional to 149,468,444.20, 224,238,095.70 and 76,696,456.60 is: 115,062,864.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,468,444.20 : 224,238,095.70 = 76,696,456.60 : x
  2. Step 2: Convert to fraction form
    149,468,444.20/224,238,095.70 = 76,696,456.60/x
  3. Step 3: Cross multiply
    149,468,444.20x = 224,238,095.70 × 76,696,456.60
  4. Step 4: Simplify right side
    149,468,444.20x = 17,198,267,374,921,694
  5. Step 5: Solve for x
    x = 17,198,267,374,921,694/149,468,444.20
  6. Step 6: Final answer
    x = 115,062,864.72

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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.