Home / 49,831,118.20-74,604,959.70-38,399,231.80

Finding the Fourth Proportional to 49,831,118.20, 74,604,959.70 and 38,399,231.80

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Solution

The fourth proportional to 49,831,118.20, 74,604,959.70 and 38,399,231.80 is: 57,489,641.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,831,118.20 : 74,604,959.70 = 38,399,231.80 : x
  2. Step 2: Convert to fraction form
    49,831,118.20/74,604,959.70 = 38,399,231.80/x
  3. Step 3: Cross multiply
    49,831,118.20x = 74,604,959.70 × 38,399,231.80
  4. Step 4: Simplify right side
    49,831,118.20x = 2,864,773,140,949,958.50
  5. Step 5: Solve for x
    x = 2,864,773,140,949,958.50/49,831,118.20
  6. Step 6: Final answer
    x = 57,489,641.90

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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.