Home / 80,150,280.65-120,303,164.68-38,680,341.03

Finding the Fourth Proportional to 80,150,280.65, 120,303,164.68 and 38,680,341.03

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Solution

The fourth proportional to 80,150,280.65, 120,303,164.68 and 38,680,341.03 is: 58,058,030.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,150,280.65 : 120,303,164.68 = 38,680,341.03 : x
  2. Step 2: Convert to fraction form
    80,150,280.65/120,303,164.68 = 38,680,341.03/x
  3. Step 3: Cross multiply
    80,150,280.65x = 120,303,164.68 × 38,680,341.03
  4. Step 4: Simplify right side
    80,150,280.65x = 4,653,367,436,810,651
  5. Step 5: Solve for x
    x = 4,653,367,436,810,651/80,150,280.65
  6. Step 6: Final answer
    x = 58,058,030.48

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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.