Home / 42,447,497.40-63,524,279.70-25,420,390.20

Finding the Fourth Proportional to 42,447,497.40, 63,524,279.70 and 25,420,390.20

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Solution

The fourth proportional to 42,447,497.40, 63,524,279.70 and 25,420,390.20 is: 38,042,572.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,447,497.40 : 63,524,279.70 = 25,420,390.20 : x
  2. Step 2: Convert to fraction form
    42,447,497.40/63,524,279.70 = 25,420,390.20/x
  3. Step 3: Cross multiply
    42,447,497.40x = 63,524,279.70 × 25,420,390.20
  4. Step 4: Simplify right side
    42,447,497.40x = 1,614,811,977,147,939
  5. Step 5: Solve for x
    x = 1,614,811,977,147,939/42,447,497.40
  6. Step 6: Final answer
    x = 38,042,572.03

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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.