Home / 72,241,306.60-108,538,907.10-54,325,402.60

Finding the Fourth Proportional to 72,241,306.60, 108,538,907.10 and 54,325,402.60

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Solution

The fourth proportional to 72,241,306.60, 108,538,907.10 and 54,325,402.60 is: 81,621,168.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,241,306.60 : 108,538,907.10 = 54,325,402.60 : x
  2. Step 2: Convert to fraction form
    72,241,306.60/108,538,907.10 = 54,325,402.60/x
  3. Step 3: Cross multiply
    72,241,306.60x = 108,538,907.10 × 54,325,402.60
  4. Step 4: Simplify right side
    72,241,306.60x = 5,896,419,825,971,498
  5. Step 5: Solve for x
    x = 5,896,419,825,971,498/72,241,306.60
  6. Step 6: Final answer
    x = 81,621,168.05

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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.