Home / 42,207,301.80-63,216,474.30-25,201,189.80

Finding the Fourth Proportional to 42,207,301.80, 63,216,474.30 and 25,201,189.80

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Solution

The fourth proportional to 42,207,301.80, 63,216,474.30 and 25,201,189.80 is: 37,745,373.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,207,301.80 : 63,216,474.30 = 25,201,189.80 : x
  2. Step 2: Convert to fraction form
    42,207,301.80/63,216,474.30 = 25,201,189.80/x
  3. Step 3: Cross multiply
    42,207,301.80x = 63,216,474.30 × 25,201,189.80
  4. Step 4: Simplify right side
    42,207,301.80x = 1,593,130,367,321,122
  5. Step 5: Solve for x
    x = 1,593,130,367,321,122/42,207,301.80
  6. Step 6: Final answer
    x = 37,745,373.42

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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.