Home / 280,096,611.39-420,165,095.13-107,573,425.11

Finding the Fourth Proportional to 280,096,611.39, 420,165,095.13 and 107,573,425.11

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Solution

The fourth proportional to 280,096,611.39, 420,165,095.13 and 107,573,425.11 is: 161,367,887.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,096,611.39 : 420,165,095.13 = 107,573,425.11 : x
  2. Step 2: Convert to fraction form
    280,096,611.39/420,165,095.13 = 107,573,425.11/x
  3. Step 3: Cross multiply
    280,096,611.39x = 420,165,095.13 × 107,573,425.11
  4. Step 4: Simplify right side
    280,096,611.39x = 45,198,598,394,803,080
  5. Step 5: Solve for x
    x = 45,198,598,394,803,080/280,096,611.39
  6. Step 6: Final answer
    x = 161,367,887.21

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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.