Home / 50,745,412.98-70,002,217.71-31,170,713.22

Finding the Fourth Proportional to 50,745,412.98, 70,002,217.71 and 31,170,713.22

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Solution

The fourth proportional to 50,745,412.98, 70,002,217.71 and 31,170,713.22 is: 42,999,335.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,745,412.98 : 70,002,217.71 = 31,170,713.22 : x
  2. Step 2: Convert to fraction form
    50,745,412.98/70,002,217.71 = 31,170,713.22/x
  3. Step 3: Cross multiply
    50,745,412.98x = 70,002,217.71 × 31,170,713.22
  4. Step 4: Simplify right side
    50,745,412.98x = 2,182,019,053,002,414.75
  5. Step 5: Solve for x
    x = 2,182,019,053,002,414.75/50,745,412.98
  6. Step 6: Final answer
    x = 42,999,335.80

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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.