Home / 262,633,880.80-393,353,624.40-165,887,999.20

Finding the Fourth Proportional to 262,633,880.80, 393,353,624.40 and 165,887,999.20

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Solution

The fourth proportional to 262,633,880.80, 393,353,624.40 and 165,887,999.20 is: 248,454,790.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,633,880.80 : 393,353,624.40 = 165,887,999.20 : x
  2. Step 2: Convert to fraction form
    262,633,880.80/393,353,624.40 = 165,887,999.20/x
  3. Step 3: Cross multiply
    262,633,880.80x = 393,353,624.40 × 165,887,999.20
  4. Step 4: Simplify right side
    262,633,880.80x = 65,252,645,729,784,288
  5. Step 5: Solve for x
    x = 65,252,645,729,784,288/262,633,880.80
  6. Step 6: Final answer
    x = 248,454,790.11

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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.