Home / 69,984,130.60-104,976,195.90-65,729,103.40

Finding the Fourth Proportional to 69,984,130.60, 104,976,195.90 and 65,729,103.40

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Solution

The fourth proportional to 69,984,130.60, 104,976,195.90 and 65,729,103.40 is: 98,593,655.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,130.60 : 104,976,195.90 = 65,729,103.40 : x
  2. Step 2: Convert to fraction form
    69,984,130.60/104,976,195.90 = 65,729,103.40/x
  3. Step 3: Cross multiply
    69,984,130.60x = 104,976,195.90 × 65,729,103.40
  4. Step 4: Simplify right side
    69,984,130.60x = 6,899,991,234,849,756
  5. Step 5: Solve for x
    x = 6,899,991,234,849,756/69,984,130.60
  6. Step 6: Final answer
    x = 98,593,655.10

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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.