Home / 229,128,908.24-316,197,875.85-124,707,728.27

Finding the Fourth Proportional to 229,128,908.24, 316,197,875.85 and 124,707,728.27

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Solution

The fourth proportional to 229,128,908.24, 316,197,875.85 and 124,707,728.27 is: 172,096,655.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,128,908.24 : 316,197,875.85 = 124,707,728.27 : x
  2. Step 2: Convert to fraction form
    229,128,908.24/316,197,875.85 = 124,707,728.27/x
  3. Step 3: Cross multiply
    229,128,908.24x = 316,197,875.85 × 124,707,728.27
  4. Step 4: Simplify right side
    229,128,908.24x = 39,432,318,781,375,832
  5. Step 5: Solve for x
    x = 39,432,318,781,375,832/229,128,908.24
  6. Step 6: Final answer
    x = 172,096,655.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.