Home / 268,599,097.20-402,898,645.80-186,969,759.60

Finding the Fourth Proportional to 268,599,097.20, 402,898,645.80 and 186,969,759.60

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Solution

The fourth proportional to 268,599,097.20, 402,898,645.80 and 186,969,759.60 is: 280,454,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,599,097.20 : 402,898,645.80 = 186,969,759.60 : x
  2. Step 2: Convert to fraction form
    268,599,097.20/402,898,645.80 = 186,969,759.60/x
  3. Step 3: Cross multiply
    268,599,097.20x = 402,898,645.80 × 186,969,759.60
  4. Step 4: Simplify right side
    268,599,097.20x = 75,329,862,948,391,552
  5. Step 5: Solve for x
    x = 75,329,862,948,391,552/268,599,097.20
  6. Step 6: Final answer
    x = 280,454,639.40

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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.