Home / 172,479,251.10-258,844,847.85-121,460,915.10

Finding the Fourth Proportional to 172,479,251.10, 258,844,847.85 and 121,460,915.10

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Solution

The fourth proportional to 172,479,251.10, 258,844,847.85 and 121,460,915.10 is: 182,280,082.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,479,251.10 : 258,844,847.85 = 121,460,915.10 : x
  2. Step 2: Convert to fraction form
    172,479,251.10/258,844,847.85 = 121,460,915.10/x
  3. Step 3: Cross multiply
    172,479,251.10x = 258,844,847.85 × 121,460,915.10
  4. Step 4: Simplify right side
    172,479,251.10x = 31,439,532,088,781,264
  5. Step 5: Solve for x
    x = 31,439,532,088,781,264/172,479,251.10
  6. Step 6: Final answer
    x = 182,280,082.32

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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.