Home / 154,285,031.25-231,413,374.89-52,049,954.61

Finding the Fourth Proportional to 154,285,031.25, 231,413,374.89 and 52,049,954.61

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Solution

The fourth proportional to 154,285,031.25, 231,413,374.89 and 52,049,954.61 is: 78,070,150.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,285,031.25 : 231,413,374.89 = 52,049,954.61 : x
  2. Step 2: Convert to fraction form
    154,285,031.25/231,413,374.89 = 52,049,954.61/x
  3. Step 3: Cross multiply
    154,285,031.25x = 231,413,374.89 × 52,049,954.61
  4. Step 4: Simplify right side
    154,285,031.25x = 12,045,055,659,171,412
  5. Step 5: Solve for x
    x = 12,045,055,659,171,412/154,285,031.25
  6. Step 6: Final answer
    x = 78,070,150.82

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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.