Home / 215,272,642.66-323,034,289.20-90,767,463.84

Finding the Fourth Proportional to 215,272,642.66, 323,034,289.20 and 90,767,463.84

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Solution

The fourth proportional to 215,272,642.66, 323,034,289.20 and 90,767,463.84 is: 136,204,037.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,272,642.66 : 323,034,289.20 = 90,767,463.84 : x
  2. Step 2: Convert to fraction form
    215,272,642.66/323,034,289.20 = 90,767,463.84/x
  3. Step 3: Cross multiply
    215,272,642.66x = 323,034,289.20 × 90,767,463.84
  4. Step 4: Simplify right side
    215,272,642.66x = 29,321,003,164,041,104
  5. Step 5: Solve for x
    x = 29,321,003,164,041,104/215,272,642.66
  6. Step 6: Final answer
    x = 136,204,037.83

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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.