Home / 52,675,870.62-72,687,776.40-31,478,443.86

Finding the Fourth Proportional to 52,675,870.62, 72,687,776.40 and 31,478,443.86

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Solution

The fourth proportional to 52,675,870.62, 72,687,776.40 and 31,478,443.86 is: 43,437,309.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,675,870.62 : 72,687,776.40 = 31,478,443.86 : x
  2. Step 2: Convert to fraction form
    52,675,870.62/72,687,776.40 = 31,478,443.86/x
  3. Step 3: Cross multiply
    52,675,870.62x = 72,687,776.40 × 31,478,443.86
  4. Step 4: Simplify right side
    52,675,870.62x = 2,288,098,088,715,633
  5. Step 5: Solve for x
    x = 2,288,098,088,715,633/52,675,870.62
  6. Step 6: Final answer
    x = 43,437,309.37

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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.