Home / 52,787,999.20-79,181,998.80-26,959,966.60

Finding the Fourth Proportional to 52,787,999.20, 79,181,998.80 and 26,959,966.60

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Solution

The fourth proportional to 52,787,999.20, 79,181,998.80 and 26,959,966.60 is: 40,439,949.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,787,999.20 : 79,181,998.80 = 26,959,966.60 : x
  2. Step 2: Convert to fraction form
    52,787,999.20/79,181,998.80 = 26,959,966.60/x
  3. Step 3: Cross multiply
    52,787,999.20x = 79,181,998.80 × 26,959,966.60
  4. Step 4: Simplify right side
    52,787,999.20x = 2,134,744,042,969,240
  5. Step 5: Solve for x
    x = 2,134,744,042,969,240/52,787,999.20
  6. Step 6: Final answer
    x = 40,439,949.90

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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.