Home / 72,391,535.60-108,503,322.60-29,239,401.20

Finding the Fourth Proportional to 72,391,535.60, 108,503,322.60 and 29,239,401.20

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Solution

The fourth proportional to 72,391,535.60, 108,503,322.60 and 29,239,401.20 is: 43,825,181.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,391,535.60 : 108,503,322.60 = 29,239,401.20 : x
  2. Step 2: Convert to fraction form
    72,391,535.60/108,503,322.60 = 29,239,401.20/x
  3. Step 3: Cross multiply
    72,391,535.60x = 108,503,322.60 × 29,239,401.20
  4. Step 4: Simplify right side
    72,391,535.60x = 3,172,572,181,034,427
  5. Step 5: Solve for x
    x = 3,172,572,181,034,427/72,391,535.60
  6. Step 6: Final answer
    x = 43,825,181.42

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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.