Home / 72,561,894.66-108,587,198.70-45,281,023.38

Finding the Fourth Proportional to 72,561,894.66, 108,587,198.70 and 45,281,023.38

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Solution

The fourth proportional to 72,561,894.66, 108,587,198.70 and 45,281,023.38 is: 67,762,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,561,894.66 : 108,587,198.70 = 45,281,023.38 : x
  2. Step 2: Convert to fraction form
    72,561,894.66/108,587,198.70 = 45,281,023.38/x
  3. Step 3: Cross multiply
    72,561,894.66x = 108,587,198.70 × 45,281,023.38
  4. Step 4: Simplify right side
    72,561,894.66x = 4,916,939,483,103,406
  5. Step 5: Solve for x
    x = 4,916,939,483,103,406/72,561,894.66
  6. Step 6: Final answer
    x = 67,762,005.20

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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.