Home / 101,991,311.28-140,744,434.68-55,580,618.16

Finding the Fourth Proportional to 101,991,311.28, 140,744,434.68 and 55,580,618.16

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Solution

The fourth proportional to 101,991,311.28, 140,744,434.68 and 55,580,618.16 is: 76,699,304.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,991,311.28 : 140,744,434.68 = 55,580,618.16 : x
  2. Step 2: Convert to fraction form
    101,991,311.28/140,744,434.68 = 55,580,618.16/x
  3. Step 3: Cross multiply
    101,991,311.28x = 140,744,434.68 × 55,580,618.16
  4. Step 4: Simplify right side
    101,991,311.28x = 7,822,662,682,094,142
  5. Step 5: Solve for x
    x = 7,822,662,682,094,142/101,991,311.28
  6. Step 6: Final answer
    x = 76,699,304.91

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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.