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Finding the Fourth Proportional to 64,158,793.70, 96,238,190.55 and 30,146,569.70

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Solution

The fourth proportional to 64,158,793.70, 96,238,190.55 and 30,146,569.70 is: 45,219,854.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,158,793.70 : 96,238,190.55 = 30,146,569.70 : x
  2. Step 2: Convert to fraction form
    64,158,793.70/96,238,190.55 = 30,146,569.70/x
  3. Step 3: Cross multiply
    64,158,793.70x = 96,238,190.55 × 30,146,569.70
  4. Step 4: Simplify right side
    64,158,793.70x = 2,901,251,319,217,456
  5. Step 5: Solve for x
    x = 2,901,251,319,217,456/64,158,793.70
  6. Step 6: Final answer
    x = 45,219,854.55

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Similar ratio
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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.