Home / 67,260,400.88-100,904,770.92-21,818,647.28

Finding the Fourth Proportional to 67,260,400.88, 100,904,770.92 and 21,818,647.28

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Solution

The fourth proportional to 67,260,400.88, 100,904,770.92 and 21,818,647.28 is: 32,732,567.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,260,400.88 : 100,904,770.92 = 21,818,647.28 : x
  2. Step 2: Convert to fraction form
    67,260,400.88/100,904,770.92 = 21,818,647.28/x
  3. Step 3: Cross multiply
    67,260,400.88x = 100,904,770.92 × 21,818,647.28
  4. Step 4: Simplify right side
    67,260,400.88x = 2,201,605,605,572,681.25
  5. Step 5: Solve for x
    x = 2,201,605,605,572,681.25/67,260,400.88
  6. Step 6: Final answer
    x = 32,732,567.41

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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.