Home / 300,680,402.39-451,021,444.38-93,449,115.57

Finding the Fourth Proportional to 300,680,402.39, 451,021,444.38 and 93,449,115.57

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Solution

The fourth proportional to 300,680,402.39, 451,021,444.38 and 93,449,115.57 is: 140,173,934.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,680,402.39 : 451,021,444.38 = 93,449,115.57 : x
  2. Step 2: Convert to fraction form
    300,680,402.39/451,021,444.38 = 93,449,115.57/x
  3. Step 3: Cross multiply
    300,680,402.39x = 451,021,444.38 × 93,449,115.57
  4. Step 4: Simplify right side
    300,680,402.39x = 42,147,555,078,159,840
  5. Step 5: Solve for x
    x = 42,147,555,078,159,840/300,680,402.39
  6. Step 6: Final answer
    x = 140,173,934.66

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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.