Home / 285,153,788.64-427,822,799.22-131,900,376

Finding the Fourth Proportional to 285,153,788.64, 427,822,799.22 and 131,900,376

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Solution

The fourth proportional to 285,153,788.64, 427,822,799.22 and 131,900,376 is: 197,893,173.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,153,788.64 : 427,822,799.22 = 131,900,376 : x
  2. Step 2: Convert to fraction form
    285,153,788.64/427,822,799.22 = 131,900,376/x
  3. Step 3: Cross multiply
    285,153,788.64x = 427,822,799.22 × 131,900,376
  4. Step 4: Simplify right side
    285,153,788.64x = 56,429,988,078,490,512
  5. Step 5: Solve for x
    x = 56,429,988,078,490,512/285,153,788.64
  6. Step 6: Final answer
    x = 197,893,173.18

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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.