Home / 91,497,731.38-137,251,011.18-30,085,530.46

Finding the Fourth Proportional to 91,497,731.38, 137,251,011.18 and 30,085,530.46

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Solution

The fourth proportional to 91,497,731.38, 137,251,011.18 and 30,085,530.46 is: 45,129,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,497,731.38 : 137,251,011.18 = 30,085,530.46 : x
  2. Step 2: Convert to fraction form
    91,497,731.38/137,251,011.18 = 30,085,530.46/x
  3. Step 3: Cross multiply
    91,497,731.38x = 137,251,011.18 × 30,085,530.46
  4. Step 4: Simplify right side
    91,497,731.38x = 4,129,269,477,521,691
  5. Step 5: Solve for x
    x = 4,129,269,477,521,691/91,497,731.38
  6. Step 6: Final answer
    x = 45,129,747.10

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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.