Home / 67,991,568.30-101,987,352.45-54,554,640.30

Finding the Fourth Proportional to 67,991,568.30, 101,987,352.45 and 54,554,640.30

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Solution

The fourth proportional to 67,991,568.30, 101,987,352.45 and 54,554,640.30 is: 81,831,960.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,991,568.30 : 101,987,352.45 = 54,554,640.30 : x
  2. Step 2: Convert to fraction form
    67,991,568.30/101,987,352.45 = 54,554,640.30/x
  3. Step 3: Cross multiply
    67,991,568.30x = 101,987,352.45 × 54,554,640.30
  4. Step 4: Simplify right side
    67,991,568.30x = 5,563,883,328,059,074
  5. Step 5: Solve for x
    x = 5,563,883,328,059,074/67,991,568.30
  6. Step 6: Final answer
    x = 81,831,960.45

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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.