Home / 71,357,671,142.50-98,445,716,810.49-40,857,555,691.30

Finding the Fourth Proportional to 71,357,671,142.50, 98,445,716,810.49 and 40,857,555,691.30

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Solution

The fourth proportional to 71,357,671,142.50, 98,445,716,810.49 and 40,857,555,691.30 is: 56,367,469,576.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,357,671,142.50 : 98,445,716,810.49 = 40,857,555,691.30 : x
  2. Step 2: Convert to fraction form
    71,357,671,142.50/98,445,716,810.49 = 40,857,555,691.30/x
  3. Step 3: Cross multiply
    71,357,671,142.50x = 98,445,716,810.49 × 40,857,555,691.30
  4. Step 4: Simplify right side
    71,357,671,142.50x = 4,022,251,357,154,544,451,584
  5. Step 5: Solve for x
    x = 4,022,251,357,154,544,451,584/71,357,671,142.50
  6. Step 6: Final answer
    x = 56,367,469,576.22

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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.