Home / 157,486,487.18-236,350,304.13-71,285,429.66

Finding the Fourth Proportional to 157,486,487.18, 236,350,304.13 and 71,285,429.66

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Solution

The fourth proportional to 157,486,487.18, 236,350,304.13 and 71,285,429.66 is: 106,982,721.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,486,487.18 : 236,350,304.13 = 71,285,429.66 : x
  2. Step 2: Convert to fraction form
    157,486,487.18/236,350,304.13 = 71,285,429.66/x
  3. Step 3: Cross multiply
    157,486,487.18x = 236,350,304.13 × 71,285,429.66
  4. Step 4: Simplify right side
    157,486,487.18x = 16,848,332,980,178,722
  5. Step 5: Solve for x
    x = 16,848,332,980,178,722/157,486,487.18
  6. Step 6: Final answer
    x = 106,982,721.39

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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.