Home / 134,534,385.85-185,657,445.36-72,654,718.45

Finding the Fourth Proportional to 134,534,385.85, 185,657,445.36 and 72,654,718.45

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Solution

The fourth proportional to 134,534,385.85, 185,657,445.36 and 72,654,718.45 is: 100,263,507.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,534,385.85 : 185,657,445.36 = 72,654,718.45 : x
  2. Step 2: Convert to fraction form
    134,534,385.85/185,657,445.36 = 72,654,718.45/x
  3. Step 3: Cross multiply
    134,534,385.85x = 185,657,445.36 × 72,654,718.45
  4. Step 4: Simplify right side
    134,534,385.85x = 13,488,889,419,848,772
  5. Step 5: Solve for x
    x = 13,488,889,419,848,772/134,534,385.85
  6. Step 6: Final answer
    x = 100,263,507.62

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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.