Home / 69,984,127.60-104,976,191.40-65,729,100.40

Finding the Fourth Proportional to 69,984,127.60, 104,976,191.40 and 65,729,100.40

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Solution

The fourth proportional to 69,984,127.60, 104,976,191.40 and 65,729,100.40 is: 98,593,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,127.60 : 104,976,191.40 = 65,729,100.40 : x
  2. Step 2: Convert to fraction form
    69,984,127.60/104,976,191.40 = 65,729,100.40/x
  3. Step 3: Cross multiply
    69,984,127.60x = 104,976,191.40 × 65,729,100.40
  4. Step 4: Simplify right side
    69,984,127.60x = 6,899,990,624,140,217
  5. Step 5: Solve for x
    x = 6,899,990,624,140,217/69,984,127.60
  6. Step 6: Final answer
    x = 98,593,650.60

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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.