Home / 66,439,613.01-99,710,286.40-30,073,541.87

Finding the Fourth Proportional to 66,439,613.01, 99,710,286.40 and 30,073,541.87

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Solution

The fourth proportional to 66,439,613.01, 99,710,286.40 and 30,073,541.87 is: 45,133,337.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,439,613.01 : 99,710,286.40 = 30,073,541.87 : x
  2. Step 2: Convert to fraction form
    66,439,613.01/99,710,286.40 = 30,073,541.87/x
  3. Step 3: Cross multiply
    66,439,613.01x = 99,710,286.40 × 30,073,541.87
  4. Step 4: Simplify right side
    66,439,613.01x = 2,998,641,472,421,540
  5. Step 5: Solve for x
    x = 2,998,641,472,421,540/66,439,613.01
  6. Step 6: Final answer
    x = 45,133,337.43

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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.