Home / 154,986,013.14-232,479,339.56-145,515,734.52

Finding the Fourth Proportional to 154,986,013.14, 232,479,339.56 and 145,515,734.52

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Solution

The fourth proportional to 154,986,013.14, 232,479,339.56 and 145,515,734.52 is: 218,273,902.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,986,013.14 : 232,479,339.56 = 145,515,734.52 : x
  2. Step 2: Convert to fraction form
    154,986,013.14/232,479,339.56 = 145,515,734.52/x
  3. Step 3: Cross multiply
    154,986,013.14x = 232,479,339.56 × 145,515,734.52
  4. Step 4: Simplify right side
    154,986,013.14x = 33,829,401,856,070,320
  5. Step 5: Solve for x
    x = 33,829,401,856,070,320/154,986,013.14
  6. Step 6: Final answer
    x = 218,273,902.08

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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.