Home / 72,405,965.80-108,580,080.30-23,870,312.20

Finding the Fourth Proportional to 72,405,965.80, 108,580,080.30 and 23,870,312.20

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Solution

The fourth proportional to 72,405,965.80, 108,580,080.30 and 23,870,312.20 is: 35,795,951.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,405,965.80 : 108,580,080.30 = 23,870,312.20 : x
  2. Step 2: Convert to fraction form
    72,405,965.80/108,580,080.30 = 23,870,312.20/x
  3. Step 3: Cross multiply
    72,405,965.80x = 108,580,080.30 × 23,870,312.20
  4. Step 4: Simplify right side
    72,405,965.80x = 2,591,840,415,462,069.50
  5. Step 5: Solve for x
    x = 2,591,840,415,462,069.50/72,405,965.80
  6. Step 6: Final answer
    x = 35,795,951.16

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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.