Home / 65,321,854.28-90,144,153.48-35,552,715.48

Finding the Fourth Proportional to 65,321,854.28, 90,144,153.48 and 35,552,715.48

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Solution

The fourth proportional to 65,321,854.28, 90,144,153.48 and 35,552,715.48 is: 49,062,744.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,321,854.28 : 90,144,153.48 = 35,552,715.48 : x
  2. Step 2: Convert to fraction form
    65,321,854.28/90,144,153.48 = 35,552,715.48/x
  3. Step 3: Cross multiply
    65,321,854.28x = 90,144,153.48 × 35,552,715.48
  4. Step 4: Simplify right side
    65,321,854.28x = 3,204,869,440,859,891.50
  5. Step 5: Solve for x
    x = 3,204,869,440,859,891.50/65,321,854.28
  6. Step 6: Final answer
    x = 49,062,744.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.