Home / 57,672,043.20-86,508,064.80-36,172,958.40

Finding the Fourth Proportional to 57,672,043.20, 86,508,064.80 and 36,172,958.40

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Solution

The fourth proportional to 57,672,043.20, 86,508,064.80 and 36,172,958.40 is: 54,259,437.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,672,043.20 : 86,508,064.80 = 36,172,958.40 : x
  2. Step 2: Convert to fraction form
    57,672,043.20/86,508,064.80 = 36,172,958.40/x
  3. Step 3: Cross multiply
    57,672,043.20x = 86,508,064.80 × 36,172,958.40
  4. Step 4: Simplify right side
    57,672,043.20x = 3,129,252,629,274,904
  5. Step 5: Solve for x
    x = 3,129,252,629,274,904/57,672,043.20
  6. Step 6: Final answer
    x = 54,259,437.60

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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.