Home / 71,942,946.48-99,281,093.76-40,580,891.28

Finding the Fourth Proportional to 71,942,946.48, 99,281,093.76 and 40,580,891.28

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Solution

The fourth proportional to 71,942,946.48, 99,281,093.76 and 40,580,891.28 is: 56,001,532.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,942,946.48 : 99,281,093.76 = 40,580,891.28 : x
  2. Step 2: Convert to fraction form
    71,942,946.48/99,281,093.76 = 40,580,891.28/x
  3. Step 3: Cross multiply
    71,942,946.48x = 99,281,093.76 × 40,580,891.28
  4. Step 4: Simplify right side
    71,942,946.48x = 4,028,915,272,034,046.50
  5. Step 5: Solve for x
    x = 4,028,915,272,034,046.50/71,942,946.48
  6. Step 6: Final answer
    x = 56,001,532.73

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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.