Home / 103,373,599.80-142,656,524.33-56,965,514.43

Finding the Fourth Proportional to 103,373,599.80, 142,656,524.33 and 56,965,514.43

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Solution

The fourth proportional to 103,373,599.80, 142,656,524.33 and 56,965,514.43 is: 78,612,937.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,373,599.80 : 142,656,524.33 = 56,965,514.43 : x
  2. Step 2: Convert to fraction form
    103,373,599.80/142,656,524.33 = 56,965,514.43/x
  3. Step 3: Cross multiply
    103,373,599.80x = 142,656,524.33 × 56,965,514.43
  4. Step 4: Simplify right side
    103,373,599.80x = 8,126,502,294,969,433
  5. Step 5: Solve for x
    x = 8,126,502,294,969,433/103,373,599.80
  6. Step 6: Final answer
    x = 78,612,937.06

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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.