Home / 73,814,584.40-110,721,876.60-68,439,813.20

Finding the Fourth Proportional to 73,814,584.40, 110,721,876.60 and 68,439,813.20

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Solution

The fourth proportional to 73,814,584.40, 110,721,876.60 and 68,439,813.20 is: 102,659,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,814,584.40 : 110,721,876.60 = 68,439,813.20 : x
  2. Step 2: Convert to fraction form
    73,814,584.40/110,721,876.60 = 68,439,813.20/x
  3. Step 3: Cross multiply
    73,814,584.40x = 110,721,876.60 × 68,439,813.20
  4. Step 4: Simplify right side
    73,814,584.40x = 7,577,784,551,657,451
  5. Step 5: Solve for x
    x = 7,577,784,551,657,451/73,814,584.40
  6. Step 6: Final answer
    x = 102,659,719.80

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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.