Home / 100,732,722.96-151,129,921.41-51,583,375.85

Finding the Fourth Proportional to 100,732,722.96, 151,129,921.41 and 51,583,375.85

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Solution

The fourth proportional to 100,732,722.96, 151,129,921.41 and 51,583,375.85 is: 77,390,854.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,732,722.96 : 151,129,921.41 = 51,583,375.85 : x
  2. Step 2: Convert to fraction form
    100,732,722.96/151,129,921.41 = 51,583,375.85/x
  3. Step 3: Cross multiply
    100,732,722.96x = 151,129,921.41 × 51,583,375.85
  4. Step 4: Simplify right side
    100,732,722.96x = 7,795,791,537,517,342
  5. Step 5: Solve for x
    x = 7,795,791,537,517,342/100,732,722.96
  6. Step 6: Final answer
    x = 77,390,854.81

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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.