Home / 260,730,763.80-391,096,145.70-163,754,591.10

Finding the Fourth Proportional to 260,730,763.80, 391,096,145.70 and 163,754,591.10

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Solution

The fourth proportional to 260,730,763.80, 391,096,145.70 and 163,754,591.10 is: 245,631,886.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,730,763.80 : 391,096,145.70 = 163,754,591.10 : x
  2. Step 2: Convert to fraction form
    260,730,763.80/391,096,145.70 = 163,754,591.10/x
  3. Step 3: Cross multiply
    260,730,763.80x = 391,096,145.70 × 163,754,591.10
  4. Step 4: Simplify right side
    260,730,763.80x = 64,043,789,419,889,520
  5. Step 5: Solve for x
    x = 64,043,789,419,889,520/260,730,763.80
  6. Step 6: Final answer
    x = 245,631,886.65

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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.