Home / 267,965,787.60-401,948,681.40-131,916,891.60

Finding the Fourth Proportional to 267,965,787.60, 401,948,681.40 and 131,916,891.60

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Solution

The fourth proportional to 267,965,787.60, 401,948,681.40 and 131,916,891.60 is: 197,875,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,965,787.60 : 401,948,681.40 = 131,916,891.60 : x
  2. Step 2: Convert to fraction form
    267,965,787.60/401,948,681.40 = 131,916,891.60/x
  3. Step 3: Cross multiply
    267,965,787.60x = 401,948,681.40 × 131,916,891.60
  4. Step 4: Simplify right side
    267,965,787.60x = 53,023,820,633,006,728
  5. Step 5: Solve for x
    x = 53,023,820,633,006,728/267,965,787.60
  6. Step 6: Final answer
    x = 197,875,337.40

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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.