Home / 51,981,785.16-71,732,021.58-28,455,770.76

Finding the Fourth Proportional to 51,981,785.16, 71,732,021.58 and 28,455,770.76

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Solution

The fourth proportional to 51,981,785.16, 71,732,021.58 and 28,455,770.76 is: 39,267,407.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,981,785.16 : 71,732,021.58 = 28,455,770.76 : x
  2. Step 2: Convert to fraction form
    51,981,785.16/71,732,021.58 = 28,455,770.76/x
  3. Step 3: Cross multiply
    51,981,785.16x = 71,732,021.58 × 28,455,770.76
  4. Step 4: Simplify right side
    51,981,785.16x = 2,041,189,962,231,853
  5. Step 5: Solve for x
    x = 2,041,189,962,231,853/51,981,785.16
  6. Step 6: Final answer
    x = 39,267,407.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.