Home / 134,534,384.28-185,657,443.20-72,654,716.88

Finding the Fourth Proportional to 134,534,384.28, 185,657,443.20 and 72,654,716.88

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Solution

The fourth proportional to 134,534,384.28, 185,657,443.20 and 72,654,716.88 is: 100,263,505.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,534,384.28 : 185,657,443.20 = 72,654,716.88 : x
  2. Step 2: Convert to fraction form
    134,534,384.28/185,657,443.20 = 72,654,716.88/x
  3. Step 3: Cross multiply
    134,534,384.28x = 185,657,443.20 × 72,654,716.88
  4. Step 4: Simplify right side
    134,534,384.28x = 13,488,888,972,360,680
  5. Step 5: Solve for x
    x = 13,488,888,972,360,680/134,534,384.28
  6. Step 6: Final answer
    x = 100,263,505.46

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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.