Home / 73,512,511.20-110,268,766.80-72,555,917.40

Finding the Fourth Proportional to 73,512,511.20, 110,268,766.80 and 72,555,917.40

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Solution

The fourth proportional to 73,512,511.20, 110,268,766.80 and 72,555,917.40 is: 108,833,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,512,511.20 : 110,268,766.80 = 72,555,917.40 : x
  2. Step 2: Convert to fraction form
    73,512,511.20/110,268,766.80 = 72,555,917.40/x
  3. Step 3: Cross multiply
    73,512,511.20x = 110,268,766.80 × 72,555,917.40
  4. Step 4: Simplify right side
    73,512,511.20x = 8,000,651,535,740,663
  5. Step 5: Solve for x
    x = 8,000,651,535,740,663/73,512,511.20
  6. Step 6: Final answer
    x = 108,833,876.10

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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.