Home / 73,979,901.60-110,976,850.80-20,127,213.60

Finding the Fourth Proportional to 73,979,901.60, 110,976,850.80 and 20,127,213.60

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Solution

The fourth proportional to 73,979,901.60, 110,976,850.80 and 20,127,213.60 is: 30,192,724.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,979,901.60 : 110,976,850.80 = 20,127,213.60 : x
  2. Step 2: Convert to fraction form
    73,979,901.60/110,976,850.80 = 20,127,213.60/x
  3. Step 3: Cross multiply
    73,979,901.60x = 110,976,850.80 × 20,127,213.60
  4. Step 4: Simplify right side
    73,979,901.60x = 2,233,654,780,706,931
  5. Step 5: Solve for x
    x = 2,233,654,780,706,931/73,979,901.60
  6. Step 6: Final answer
    x = 30,192,724.41

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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.