Home / 71,251,015.80-98,325,991.24-38,655,267.96

Finding the Fourth Proportional to 71,251,015.80, 98,325,991.24 and 38,655,267.96

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Solution

The fourth proportional to 71,251,015.80, 98,325,991.24 and 38,655,267.96 is: 53,344,047.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,251,015.80 : 98,325,991.24 = 38,655,267.96 : x
  2. Step 2: Convert to fraction form
    71,251,015.80/98,325,991.24 = 38,655,267.96/x
  3. Step 3: Cross multiply
    71,251,015.80x = 98,325,991.24 × 38,655,267.96
  4. Step 4: Simplify right side
    71,251,015.80x = 3,800,817,538,814,812.50
  5. Step 5: Solve for x
    x = 3,800,817,538,814,812.50/71,251,015.80
  6. Step 6: Final answer
    x = 53,344,047.04

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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.