Home / 306,732,230.38-423,326,800.83-172,774,555.66

Finding the Fourth Proportional to 306,732,230.38, 423,326,800.83 and 172,774,555.66

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Solution

The fourth proportional to 306,732,230.38, 423,326,800.83 and 172,774,555.66 is: 238,449,346.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,732,230.38 : 423,326,800.83 = 172,774,555.66 : x
  2. Step 2: Convert to fraction form
    306,732,230.38/423,326,800.83 = 172,774,555.66/x
  3. Step 3: Cross multiply
    306,732,230.38x = 423,326,800.83 × 172,774,555.66
  4. Step 4: Simplify right side
    306,732,230.38x = 73,140,099,912,372,560
  5. Step 5: Solve for x
    x = 73,140,099,912,372,560/306,732,230.38
  6. Step 6: Final answer
    x = 238,449,346.59

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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.