Home / 72,791,270.12-109,241,133.50-53,410,577.24

Finding the Fourth Proportional to 72,791,270.12, 109,241,133.50 and 53,410,577.24

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Solution

The fourth proportional to 72,791,270.12, 109,241,133.50 and 53,410,577.24 is: 80,155,655.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,791,270.12 : 109,241,133.50 = 53,410,577.24 : x
  2. Step 2: Convert to fraction form
    72,791,270.12/109,241,133.50 = 53,410,577.24/x
  3. Step 3: Cross multiply
    72,791,270.12x = 109,241,133.50 × 53,410,577.24
  4. Step 4: Simplify right side
    72,791,270.12x = 5,834,631,998,586,902
  5. Step 5: Solve for x
    x = 5,834,631,998,586,902/72,791,270.12
  6. Step 6: Final answer
    x = 80,155,655.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.