Home / 272,573,200.80-408,859,801.20-126,958,366.80

Finding the Fourth Proportional to 272,573,200.80, 408,859,801.20 and 126,958,366.80

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Solution

The fourth proportional to 272,573,200.80, 408,859,801.20 and 126,958,366.80 is: 190,437,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,573,200.80 : 408,859,801.20 = 126,958,366.80 : x
  2. Step 2: Convert to fraction form
    272,573,200.80/408,859,801.20 = 126,958,366.80/x
  3. Step 3: Cross multiply
    272,573,200.80x = 408,859,801.20 × 126,958,366.80
  4. Step 4: Simplify right side
    272,573,200.80x = 51,908,172,610,524,680
  5. Step 5: Solve for x
    x = 51,908,172,610,524,680/272,573,200.80
  6. Step 6: Final answer
    x = 190,437,550.20

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1.5x scale

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.