Home / 52,079,693.40-78,131,981.70-25,131,187.80

Finding the Fourth Proportional to 52,079,693.40, 78,131,981.70 and 25,131,187.80

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Solution

The fourth proportional to 52,079,693.40, 78,131,981.70 and 25,131,187.80 is: 37,702,785.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,079,693.40 : 78,131,981.70 = 25,131,187.80 : x
  2. Step 2: Convert to fraction form
    52,079,693.40/78,131,981.70 = 25,131,187.80/x
  3. Step 3: Cross multiply
    52,079,693.40x = 78,131,981.70 × 25,131,187.80
  4. Step 4: Simplify right side
    52,079,693.40x = 1,963,549,505,288,863.50
  5. Step 5: Solve for x
    x = 1,963,549,505,288,863.50/52,079,693.40
  6. Step 6: Final answer
    x = 37,702,785.43

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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.