Home / 260,730,757.80-391,096,136.70-163,754,585.10

Finding the Fourth Proportional to 260,730,757.80, 391,096,136.70 and 163,754,585.10

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Solution

The fourth proportional to 260,730,757.80, 391,096,136.70 and 163,754,585.10 is: 245,631,877.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,730,757.80 : 391,096,136.70 = 163,754,585.10 : x
  2. Step 2: Convert to fraction form
    260,730,757.80/391,096,136.70 = 163,754,585.10/x
  3. Step 3: Cross multiply
    260,730,757.80x = 391,096,136.70 × 163,754,585.10
  4. Step 4: Simplify right side
    260,730,757.80x = 64,043,785,599,521,376
  5. Step 5: Solve for x
    x = 64,043,785,599,521,376/260,730,757.80
  6. Step 6: Final answer
    x = 245,631,877.65

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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.