Home / 308,640,318.91-425,924,061.85-167,511,541.46

Finding the Fourth Proportional to 308,640,318.91, 425,924,061.85 and 167,511,541.46

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Solution

The fourth proportional to 308,640,318.91, 425,924,061.85 and 167,511,541.46 is: 231,166,156.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,640,318.91 : 425,924,061.85 = 167,511,541.46 : x
  2. Step 2: Convert to fraction form
    308,640,318.91/425,924,061.85 = 167,511,541.46/x
  3. Step 3: Cross multiply
    308,640,318.91x = 425,924,061.85 × 167,511,541.46
  4. Step 4: Simplify right side
    308,640,318.91x = 71,347,196,143,477,656
  5. Step 5: Solve for x
    x = 71,347,196,143,477,656/308,640,318.91
  6. Step 6: Final answer
    x = 231,166,156.11

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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.