Home / 285,053,575.80-427,407,153.30-112,331,314.20

Finding the Fourth Proportional to 285,053,575.80, 427,407,153.30 and 112,331,314.20

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Solution

The fourth proportional to 285,053,575.80, 427,407,153.30 and 112,331,314.20 is: 168,428,714.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,053,575.80 : 427,407,153.30 = 112,331,314.20 : x
  2. Step 2: Convert to fraction form
    285,053,575.80/427,407,153.30 = 112,331,314.20/x
  3. Step 3: Cross multiply
    285,053,575.80x = 427,407,153.30 × 112,331,314.20
  4. Step 4: Simplify right side
    285,053,575.80x = 48,011,207,228,669,872
  5. Step 5: Solve for x
    x = 48,011,207,228,669,872/285,053,575.80
  6. Step 6: Final answer
    x = 168,428,714.12

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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.