Home / 134,534,385.70-185,657,445.16-72,654,718.30

Finding the Fourth Proportional to 134,534,385.70, 185,657,445.16 and 72,654,718.30

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Solution

The fourth proportional to 134,534,385.70, 185,657,445.16 and 72,654,718.30 is: 100,263,507.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,534,385.70 : 185,657,445.16 = 72,654,718.30 : x
  2. Step 2: Convert to fraction form
    134,534,385.70/185,657,445.16 = 72,654,718.30/x
  3. Step 3: Cross multiply
    134,534,385.70x = 185,657,445.16 × 72,654,718.30
  4. Step 4: Simplify right side
    134,534,385.70x = 13,488,889,378,397,498
  5. Step 5: Solve for x
    x = 13,488,889,378,397,498/134,534,385.70
  6. Step 6: Final answer
    x = 100,263,507.42

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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.