Home / 54,135,530.20-81,203,100.90-13,194,501.40

Finding the Fourth Proportional to 54,135,530.20, 81,203,100.90 and 13,194,501.40

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Solution

The fourth proportional to 54,135,530.20, 81,203,100.90 and 13,194,501.40 is: 19,791,704.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,135,530.20 : 81,203,100.90 = 13,194,501.40 : x
  2. Step 2: Convert to fraction form
    54,135,530.20/81,203,100.90 = 13,194,501.40/x
  3. Step 3: Cross multiply
    54,135,530.20x = 81,203,100.90 × 13,194,501.40
  4. Step 4: Simplify right side
    54,135,530.20x = 1,071,434,428,509,391.38
  5. Step 5: Solve for x
    x = 1,071,434,428,509,391.38/54,135,530.20
  6. Step 6: Final answer
    x = 19,791,704.72

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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.