Home / 72,554,015.20-108,948,987.60-52,499,999.20

Finding the Fourth Proportional to 72,554,015.20, 108,948,987.60 and 52,499,999.20

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Solution

The fourth proportional to 72,554,015.20, 108,948,987.60 and 52,499,999.20 is: 78,835,357.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,554,015.20 : 108,948,987.60 = 52,499,999.20 : x
  2. Step 2: Convert to fraction form
    72,554,015.20/108,948,987.60 = 52,499,999.20/x
  3. Step 3: Cross multiply
    72,554,015.20x = 108,948,987.60 × 52,499,999.20
  4. Step 4: Simplify right side
    72,554,015.20x = 5,719,821,761,840,810
  5. Step 5: Solve for x
    x = 5,719,821,761,840,810/72,554,015.20
  6. Step 6: Final answer
    x = 78,835,357.99

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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.