Home / 52,162,705.20-78,244,057.80-13,830,135.60

Finding the Fourth Proportional to 52,162,705.20, 78,244,057.80 and 13,830,135.60

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Solution

The fourth proportional to 52,162,705.20, 78,244,057.80 and 13,830,135.60 is: 20,745,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,162,705.20 : 78,244,057.80 = 13,830,135.60 : x
  2. Step 2: Convert to fraction form
    52,162,705.20/78,244,057.80 = 13,830,135.60/x
  3. Step 3: Cross multiply
    52,162,705.20x = 78,244,057.80 × 13,830,135.60
  4. Step 4: Simplify right side
    52,162,705.20x = 1,082,125,929,268,237.62
  5. Step 5: Solve for x
    x = 1,082,125,929,268,237.62/52,162,705.20
  6. Step 6: Final answer
    x = 20,745,203.40

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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.