Home / 114,945,478.40-172,418,217.60-102,474,329.60

Finding the Fourth Proportional to 114,945,478.40, 172,418,217.60 and 102,474,329.60

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Solution

The fourth proportional to 114,945,478.40, 172,418,217.60 and 102,474,329.60 is: 153,711,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,945,478.40 : 172,418,217.60 = 102,474,329.60 : x
  2. Step 2: Convert to fraction form
    114,945,478.40/172,418,217.60 = 102,474,329.60/x
  3. Step 3: Cross multiply
    114,945,478.40x = 172,418,217.60 × 102,474,329.60
  4. Step 4: Simplify right side
    114,945,478.40x = 17,668,441,259,386,920
  5. Step 5: Solve for x
    x = 17,668,441,259,386,920/114,945,478.40
  6. Step 6: Final answer
    x = 153,711,494.40

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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.