Home / 66,433,915.20-99,650,872.80-60,891,182.40

Finding the Fourth Proportional to 66,433,915.20, 99,650,872.80 and 60,891,182.40

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Solution

The fourth proportional to 66,433,915.20, 99,650,872.80 and 60,891,182.40 is: 91,336,773.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433,915.20 : 99,650,872.80 = 60,891,182.40 : x
  2. Step 2: Convert to fraction form
    66,433,915.20/99,650,872.80 = 60,891,182.40/x
  3. Step 3: Cross multiply
    66,433,915.20x = 99,650,872.80 × 60,891,182.40
  4. Step 4: Simplify right side
    66,433,915.20x = 6,067,859,471,983,998
  5. Step 5: Solve for x
    x = 6,067,859,471,983,998/66,433,915.20
  6. Step 6: Final answer
    x = 91,336,773.60

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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.