Home / 453,809,098.25-680,911,645.41-158,915,872.40

Finding the Fourth Proportional to 453,809,098.25, 680,911,645.41 and 158,915,872.40

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Solution

The fourth proportional to 453,809,098.25, 680,911,645.41 and 158,915,872.40 is: 238,443,143.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,809,098.25 : 680,911,645.41 = 158,915,872.40 : x
  2. Step 2: Convert to fraction form
    453,809,098.25/680,911,645.41 = 158,915,872.40/x
  3. Step 3: Cross multiply
    453,809,098.25x = 680,911,645.41 × 158,915,872.40
  4. Step 4: Simplify right side
    453,809,098.25x = 108,207,668,157,649,600
  5. Step 5: Solve for x
    x = 108,207,668,157,649,600/453,809,098.25
  6. Step 6: Final answer
    x = 238,443,143.99

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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.