Home / 53,979,375.40-80,969,063.10-48,772,565.80

Finding the Fourth Proportional to 53,979,375.40, 80,969,063.10 and 48,772,565.80

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Solution

The fourth proportional to 53,979,375.40, 80,969,063.10 and 48,772,565.80 is: 73,158,848.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,979,375.40 : 80,969,063.10 = 48,772,565.80 : x
  2. Step 2: Convert to fraction form
    53,979,375.40/80,969,063.10 = 48,772,565.80/x
  3. Step 3: Cross multiply
    53,979,375.40x = 80,969,063.10 × 48,772,565.80
  4. Step 4: Simplify right side
    53,979,375.40x = 3,949,068,957,809,101.50
  5. Step 5: Solve for x
    x = 3,949,068,957,809,101.50/53,979,375.40
  6. Step 6: Final answer
    x = 73,158,848.70

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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.