Home / 101,991,336.78-140,744,469.87-55,580,643.66

Finding the Fourth Proportional to 101,991,336.78, 140,744,469.87 and 55,580,643.66

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Solution

The fourth proportional to 101,991,336.78, 140,744,469.87 and 55,580,643.66 is: 76,699,340.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,991,336.78 : 140,744,469.87 = 55,580,643.66 : x
  2. Step 2: Convert to fraction form
    101,991,336.78/140,744,469.87 = 55,580,643.66/x
  3. Step 3: Cross multiply
    101,991,336.78x = 140,744,469.87 × 55,580,643.66
  4. Step 4: Simplify right side
    101,991,336.78x = 7,822,668,226,960,076
  5. Step 5: Solve for x
    x = 7,822,668,226,960,076/101,991,336.78
  6. Step 6: Final answer
    x = 76,699,340.10

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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.