Home / 71,505,299.64-98,679,543.66-40,566,772.92

Finding the Fourth Proportional to 71,505,299.64, 98,679,543.66 and 40,566,772.92

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Solution

The fourth proportional to 71,505,299.64, 98,679,543.66 and 40,566,772.92 is: 55,983,411.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,505,299.64 : 98,679,543.66 = 40,566,772.92 : x
  2. Step 2: Convert to fraction form
    71,505,299.64/98,679,543.66 = 40,566,772.92/x
  3. Step 3: Cross multiply
    71,505,299.64x = 98,679,543.66 × 40,566,772.92
  4. Step 4: Simplify right side
    71,505,299.64x = 4,003,110,639,504,445.50
  5. Step 5: Solve for x
    x = 4,003,110,639,504,445.50/71,505,299.64
  6. Step 6: Final answer
    x = 55,983,411.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.