Home / 308,487,197.89-425,713,158.23-167,358,418.29

Finding the Fourth Proportional to 308,487,197.89, 425,713,158.23 and 167,358,418.29

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Solution

The fourth proportional to 308,487,197.89, 425,713,158.23 and 167,358,418.29 is: 230,955,064.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,487,197.89 : 425,713,158.23 = 167,358,418.29 : x
  2. Step 2: Convert to fraction form
    308,487,197.89/425,713,158.23 = 167,358,418.29/x
  3. Step 3: Cross multiply
    308,487,197.89x = 425,713,158.23 × 167,358,418.29
  4. Step 4: Simplify right side
    308,487,197.89x = 71,246,680,806,613,296
  5. Step 5: Solve for x
    x = 71,246,680,806,613,296/308,487,197.89
  6. Step 6: Final answer
    x = 230,955,064.89

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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.