Home / 52,183,470.40-78,275,205.60-49,207,400.80

Finding the Fourth Proportional to 52,183,470.40, 78,275,205.60 and 49,207,400.80

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Solution

The fourth proportional to 52,183,470.40, 78,275,205.60 and 49,207,400.80 is: 73,811,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,183,470.40 : 78,275,205.60 = 49,207,400.80 : x
  2. Step 2: Convert to fraction form
    52,183,470.40/78,275,205.60 = 49,207,400.80/x
  3. Step 3: Cross multiply
    52,183,470.40x = 78,275,205.60 × 49,207,400.80
  4. Step 4: Simplify right side
    52,183,470.40x = 3,851,719,414,661,604
  5. Step 5: Solve for x
    x = 3,851,719,414,661,604/52,183,470.40
  6. Step 6: Final answer
    x = 73,811,101.20

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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.