Home / 414,442,805.20-621,496,246.20-141,673,166.80

Finding the Fourth Proportional to 414,442,805.20, 621,496,246.20 and 141,673,166.80

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Solution

The fourth proportional to 414,442,805.20, 621,496,246.20 and 141,673,166.80 is: 212,452,334.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,442,805.20 : 621,496,246.20 = 141,673,166.80 : x
  2. Step 2: Convert to fraction form
    414,442,805.20/621,496,246.20 = 141,673,166.80/x
  3. Step 3: Cross multiply
    414,442,805.20x = 621,496,246.20 × 141,673,166.80
  4. Step 4: Simplify right side
    414,442,805.20x = 88,049,341,353,466,480
  5. Step 5: Solve for x
    x = 88,049,341,353,466,480/414,442,805.20
  6. Step 6: Final answer
    x = 212,452,334.19

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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.