Home / 42,219,074.36-63,369,562.95-20,374,826.33

Finding the Fourth Proportional to 42,219,074.36, 63,369,562.95 and 20,374,826.33

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Solution

The fourth proportional to 42,219,074.36, 63,369,562.95 and 20,374,826.33 is: 30,582,002.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,219,074.36 : 63,369,562.95 = 20,374,826.33 : x
  2. Step 2: Convert to fraction form
    42,219,074.36/63,369,562.95 = 20,374,826.33/x
  3. Step 3: Cross multiply
    42,219,074.36x = 63,369,562.95 × 20,374,826.33
  4. Step 4: Simplify right side
    42,219,074.36x = 1,291,143,839,397,404.75
  5. Step 5: Solve for x
    x = 1,291,143,839,397,404.75/42,219,074.36
  6. Step 6: Final answer
    x = 30,582,002.55

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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.