Home / 56,513,406.33-77,983,170.25-31,728,752.55

Finding the Fourth Proportional to 56,513,406.33, 77,983,170.25 and 31,728,752.55

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Solution

The fourth proportional to 56,513,406.33, 77,983,170.25 and 31,728,752.55 is: 43,782,685.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,513,406.33 : 77,983,170.25 = 31,728,752.55 : x
  2. Step 2: Convert to fraction form
    56,513,406.33/77,983,170.25 = 31,728,752.55/x
  3. Step 3: Cross multiply
    56,513,406.33x = 77,983,170.25 × 31,728,752.55
  4. Step 4: Simplify right side
    56,513,406.33x = 2,474,308,711,378,212.50
  5. Step 5: Solve for x
    x = 2,474,308,711,378,212.50/56,513,406.33
  6. Step 6: Final answer
    x = 43,782,685.78

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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.