Home / 69,984,130.10-104,976,195.15-65,729,102.90

Finding the Fourth Proportional to 69,984,130.10, 104,976,195.15 and 65,729,102.90

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Solution

The fourth proportional to 69,984,130.10, 104,976,195.15 and 65,729,102.90 is: 98,593,654.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,130.10 : 104,976,195.15 = 65,729,102.90 : x
  2. Step 2: Convert to fraction form
    69,984,130.10/104,976,195.15 = 65,729,102.90/x
  3. Step 3: Cross multiply
    69,984,130.10x = 104,976,195.15 × 65,729,102.90
  4. Step 4: Simplify right side
    69,984,130.10x = 6,899,991,133,064,831
  5. Step 5: Solve for x
    x = 6,899,991,133,064,831/69,984,130.10
  6. Step 6: Final answer
    x = 98,593,654.35

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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.