Home / 282,177,731.88-423,321,106.20-107,287,167.72

Finding the Fourth Proportional to 282,177,731.88, 423,321,106.20 and 107,287,167.72

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Solution

The fourth proportional to 282,177,731.88, 423,321,106.20 and 107,287,167.72 is: 160,951,476.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,177,731.88 : 423,321,106.20 = 107,287,167.72 : x
  2. Step 2: Convert to fraction form
    282,177,731.88/423,321,106.20 = 107,287,167.72/x
  3. Step 3: Cross multiply
    282,177,731.88x = 423,321,106.20 × 107,287,167.72
  4. Step 4: Simplify right side
    282,177,731.88x = 45,416,922,520,295,328
  5. Step 5: Solve for x
    x = 45,416,922,520,295,328/282,177,731.88
  6. Step 6: Final answer
    x = 160,951,476.28

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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.