Home / 207,451,391.20-311,177,086.80-195,547,112.80

Finding the Fourth Proportional to 207,451,391.20, 311,177,086.80 and 195,547,112.80

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Solution

The fourth proportional to 207,451,391.20, 311,177,086.80 and 195,547,112.80 is: 293,320,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,451,391.20 : 311,177,086.80 = 195,547,112.80 : x
  2. Step 2: Convert to fraction form
    207,451,391.20/311,177,086.80 = 195,547,112.80/x
  3. Step 3: Cross multiply
    207,451,391.20x = 311,177,086.80 × 195,547,112.80
  4. Step 4: Simplify right side
    207,451,391.20x = 60,849,780,893,255,000
  5. Step 5: Solve for x
    x = 60,849,780,893,255,000/207,451,391.20
  6. Step 6: Final answer
    x = 293,320,669.20

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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.