Home / 454,270,875.12-681,406,234.92-143,596,580.16

Finding the Fourth Proportional to 454,270,875.12, 681,406,234.92 and 143,596,580.16

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Solution

The fourth proportional to 454,270,875.12, 681,406,234.92 and 143,596,580.16 is: 215,394,845.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,270,875.12 : 681,406,234.92 = 143,596,580.16 : x
  2. Step 2: Convert to fraction form
    454,270,875.12/681,406,234.92 = 143,596,580.16/x
  3. Step 3: Cross multiply
    454,270,875.12x = 681,406,234.92 × 143,596,580.16
  4. Step 4: Simplify right side
    454,270,875.12x = 97,847,605,034,213,568
  5. Step 5: Solve for x
    x = 97,847,605,034,213,568/454,270,875.12
  6. Step 6: Final answer
    x = 215,394,845.66

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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.