Home / 52,165,879.20-78,248,818.80-13,831,268.40

Finding the Fourth Proportional to 52,165,879.20, 78,248,818.80 and 13,831,268.40

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Solution

The fourth proportional to 52,165,879.20, 78,248,818.80 and 13,831,268.40 is: 20,746,902.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,165,879.20 : 78,248,818.80 = 13,831,268.40 : x
  2. Step 2: Convert to fraction form
    52,165,879.20/78,248,818.80 = 13,831,268.40/x
  3. Step 3: Cross multiply
    52,165,879.20x = 78,248,818.80 × 13,831,268.40
  4. Step 4: Simplify right side
    52,165,879.20x = 1,082,280,414,805,765.88
  5. Step 5: Solve for x
    x = 1,082,280,414,805,765.88/52,165,879.20
  6. Step 6: Final answer
    x = 20,746,902.60

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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.