Home / 48,543,340.60-72,815,010.90-43,672,454.20

Finding the Fourth Proportional to 48,543,340.60, 72,815,010.90 and 43,672,454.20

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Solution

The fourth proportional to 48,543,340.60, 72,815,010.90 and 43,672,454.20 is: 65,508,681.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,543,340.60 : 72,815,010.90 = 43,672,454.20 : x
  2. Step 2: Convert to fraction form
    48,543,340.60/72,815,010.90 = 43,672,454.20/x
  3. Step 3: Cross multiply
    48,543,340.60x = 72,815,010.90 × 43,672,454.20
  4. Step 4: Simplify right side
    48,543,340.60x = 3,180,010,228,602,751.50
  5. Step 5: Solve for x
    x = 3,180,010,228,602,751.50/48,543,340.60
  6. Step 6: Final answer
    x = 65,508,681.30

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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.