Home / 74,676,103.20-112,005,860.40-61,189,408.80

Finding the Fourth Proportional to 74,676,103.20, 112,005,860.40 and 61,189,408.80

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Solution

The fourth proportional to 74,676,103.20, 112,005,860.40 and 61,189,408.80 is: 91,777,316.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,676,103.20 : 112,005,860.40 = 61,189,408.80 : x
  2. Step 2: Convert to fraction form
    74,676,103.20/112,005,860.40 = 61,189,408.80/x
  3. Step 3: Cross multiply
    74,676,103.20x = 112,005,860.40 × 61,189,408.80
  4. Step 4: Simplify right side
    74,676,103.20x = 6,853,572,380,011,332
  5. Step 5: Solve for x
    x = 6,853,572,380,011,332/74,676,103.20
  6. Step 6: Final answer
    x = 91,777,316.79

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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.