Home / 67,144,437.60-100,716,656.40-61,853,647.20

Finding the Fourth Proportional to 67,144,437.60, 100,716,656.40 and 61,853,647.20

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Solution

The fourth proportional to 67,144,437.60, 100,716,656.40 and 61,853,647.20 is: 92,780,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,144,437.60 : 100,716,656.40 = 61,853,647.20 : x
  2. Step 2: Convert to fraction form
    67,144,437.60/100,716,656.40 = 61,853,647.20/x
  3. Step 3: Cross multiply
    67,144,437.60x = 100,716,656.40 × 61,853,647.20
  4. Step 4: Simplify right side
    67,144,437.60x = 6,229,692,532,129,223
  5. Step 5: Solve for x
    x = 6,229,692,532,129,223/67,144,437.60
  6. Step 6: Final answer
    x = 92,780,470.80

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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.