Home / 54,290,332.58-81,434,788.10-13,350,125.12

Finding the Fourth Proportional to 54,290,332.58, 81,434,788.10 and 13,350,125.12

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Solution

The fourth proportional to 54,290,332.58, 81,434,788.10 and 13,350,125.12 is: 20,025,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,290,332.58 : 81,434,788.10 = 13,350,125.12 : x
  2. Step 2: Convert to fraction form
    54,290,332.58/81,434,788.10 = 13,350,125.12/x
  3. Step 3: Cross multiply
    54,290,332.58x = 81,434,788.10 × 13,350,125.12
  4. Step 4: Simplify right side
    54,290,332.58x = 1,087,164,610,392,523.50
  5. Step 5: Solve for x
    x = 1,087,164,610,392,523.50/54,290,332.58
  6. Step 6: Final answer
    x = 20,025,012.90

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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.