Home / 308,487,197.38-425,713,157.54-167,358,417.79

Finding the Fourth Proportional to 308,487,197.38, 425,713,157.54 and 167,358,417.79

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Solution

The fourth proportional to 308,487,197.38, 425,713,157.54 and 167,358,417.79 is: 230,955,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,487,197.38 : 425,713,157.54 = 167,358,417.79 : x
  2. Step 2: Convert to fraction form
    308,487,197.38/425,713,157.54 = 167,358,417.79/x
  3. Step 3: Cross multiply
    308,487,197.38x = 425,713,157.54 × 167,358,417.79
  4. Step 4: Simplify right side
    308,487,197.38x = 71,246,680,477,005,920
  5. Step 5: Solve for x
    x = 71,246,680,477,005,920/308,487,197.38
  6. Step 6: Final answer
    x = 230,955,064.20

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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.