Home / 306,492,838.62-422,969,084.31-167,272,529.82

Finding the Fourth Proportional to 306,492,838.62, 422,969,084.31 and 167,272,529.82

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Solution

The fourth proportional to 306,492,838.62, 422,969,084.31 and 167,272,529.82 is: 230,840,985.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,492,838.62 : 422,969,084.31 = 167,272,529.82 : x
  2. Step 2: Convert to fraction form
    306,492,838.62/422,969,084.31 = 167,272,529.82/x
  3. Step 3: Cross multiply
    306,492,838.62x = 422,969,084.31 × 167,272,529.82
  4. Step 4: Simplify right side
    306,492,838.62x = 70,751,108,768,182,568
  5. Step 5: Solve for x
    x = 70,751,108,768,182,568/306,492,838.62
  6. Step 6: Final answer
    x = 230,840,985.02

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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.