Home / 101,143,191.40-139,577,604.62-54,733,445.78

Finding the Fourth Proportional to 101,143,191.40, 139,577,604.62 and 54,733,445.78

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Solution

The fourth proportional to 101,143,191.40, 139,577,604.62 and 54,733,445.78 is: 75,532,155.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,143,191.40 : 139,577,604.62 = 54,733,445.78 : x
  2. Step 2: Convert to fraction form
    101,143,191.40/139,577,604.62 = 54,733,445.78/x
  3. Step 3: Cross multiply
    101,143,191.40x = 139,577,604.62 × 54,733,445.78
  4. Step 4: Simplify right side
    101,143,191.40x = 7,639,563,253,599,493
  5. Step 5: Solve for x
    x = 7,639,563,253,599,493/101,143,191.40
  6. Step 6: Final answer
    x = 75,532,155.43

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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.