Home / 74,152,675,126.62-111,229,012,689.12-21,807,862,390.62

Finding the Fourth Proportional to 74,152,675,126.62, 111,229,012,689.12 and 21,807,862,390.62

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Solution

The fourth proportional to 74,152,675,126.62, 111,229,012,689.12 and 21,807,862,390.62 is: 32,711,793,585.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,152,675,126.62 : 111,229,012,689.12 = 21,807,862,390.62 : x
  2. Step 2: Convert to fraction form
    74,152,675,126.62/111,229,012,689.12 = 21,807,862,390.62/x
  3. Step 3: Cross multiply
    74,152,675,126.62x = 111,229,012,689.12 × 21,807,862,390.62
  4. Step 4: Simplify right side
    74,152,675,126.62x = 2,425,667,002,568,854,732,800
  5. Step 5: Solve for x
    x = 2,425,667,002,568,854,732,800/74,152,675,126.62
  6. Step 6: Final answer
    x = 32,711,793,585.69

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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.