Home / 129,281,634.72-193,889,274.48-38,384,134.56

Finding the Fourth Proportional to 129,281,634.72, 193,889,274.48 and 38,384,134.56

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Solution

The fourth proportional to 129,281,634.72, 193,889,274.48 and 38,384,134.56 is: 57,566,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,281,634.72 : 193,889,274.48 = 38,384,134.56 : x
  2. Step 2: Convert to fraction form
    129,281,634.72/193,889,274.48 = 38,384,134.56/x
  3. Step 3: Cross multiply
    129,281,634.72x = 193,889,274.48 × 38,384,134.56
  4. Step 4: Simplify right side
    129,281,634.72x = 7,442,272,001,381,094
  5. Step 5: Solve for x
    x = 7,442,272,001,381,094/129,281,634.72
  6. Step 6: Final answer
    x = 57,566,351.30

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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.