Home / 315,589,066.20-473,383,599.30-145,719,754.20

Finding the Fourth Proportional to 315,589,066.20, 473,383,599.30 and 145,719,754.20

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Solution

The fourth proportional to 315,589,066.20, 473,383,599.30 and 145,719,754.20 is: 218,579,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,589,066.20 : 473,383,599.30 = 145,719,754.20 : x
  2. Step 2: Convert to fraction form
    315,589,066.20/473,383,599.30 = 145,719,754.20/x
  3. Step 3: Cross multiply
    315,589,066.20x = 473,383,599.30 × 145,719,754.20
  4. Step 4: Simplify right side
    315,589,066.20x = 68,981,341,732,307,288
  5. Step 5: Solve for x
    x = 68,981,341,732,307,288/315,589,066.20
  6. Step 6: Final answer
    x = 218,579,631.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.