Home / 147,690,507.80-221,535,761.70-71,163,003.80

Finding the Fourth Proportional to 147,690,507.80, 221,535,761.70 and 71,163,003.80

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Solution

The fourth proportional to 147,690,507.80, 221,535,761.70 and 71,163,003.80 is: 106,744,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,690,507.80 : 221,535,761.70 = 71,163,003.80 : x
  2. Step 2: Convert to fraction form
    147,690,507.80/221,535,761.70 = 71,163,003.80/x
  3. Step 3: Cross multiply
    147,690,507.80x = 221,535,761.70 × 71,163,003.80
  4. Step 4: Simplify right side
    147,690,507.80x = 15,765,150,251,692,992
  5. Step 5: Solve for x
    x = 15,765,150,251,692,992/147,690,507.80
  6. Step 6: Final answer
    x = 106,744,505.70

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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.