Home / 66,498,511.20-99,747,766.80-43,805,032.80

Finding the Fourth Proportional to 66,498,511.20, 99,747,766.80 and 43,805,032.80

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Solution

The fourth proportional to 66,498,511.20, 99,747,766.80 and 43,805,032.80 is: 65,707,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,498,511.20 : 99,747,766.80 = 43,805,032.80 : x
  2. Step 2: Convert to fraction form
    66,498,511.20/99,747,766.80 = 43,805,032.80/x
  3. Step 3: Cross multiply
    66,498,511.20x = 99,747,766.80 × 43,805,032.80
  4. Step 4: Simplify right side
    66,498,511.20x = 4,369,454,196,400,750.50
  5. Step 5: Solve for x
    x = 4,369,454,196,400,750.50/66,498,511.20
  6. Step 6: Final answer
    x = 65,707,549.20

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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.