Home / 210,915,443.79-316,257,833.29-167,475,248.85

Finding the Fourth Proportional to 210,915,443.79, 316,257,833.29 and 167,475,248.85

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Solution

The fourth proportional to 210,915,443.79, 316,257,833.29 and 167,475,248.85 is: 251,121,294.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,915,443.79 : 316,257,833.29 = 167,475,248.85 : x
  2. Step 2: Convert to fraction form
    210,915,443.79/316,257,833.29 = 167,475,248.85/x
  3. Step 3: Cross multiply
    210,915,443.79x = 316,257,833.29 × 167,475,248.85
  4. Step 4: Simplify right side
    210,915,443.79x = 52,965,359,333,010,336
  5. Step 5: Solve for x
    x = 52,965,359,333,010,336/210,915,443.79
  6. Step 6: Final answer
    x = 251,121,294.78

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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.