Home / 268,858,809.40-403,288,214.10-132,609,465.40

Finding the Fourth Proportional to 268,858,809.40, 403,288,214.10 and 132,609,465.40

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Solution

The fourth proportional to 268,858,809.40, 403,288,214.10 and 132,609,465.40 is: 198,914,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,858,809.40 : 403,288,214.10 = 132,609,465.40 : x
  2. Step 2: Convert to fraction form
    268,858,809.40/403,288,214.10 = 132,609,465.40/x
  3. Step 3: Cross multiply
    268,858,809.40x = 403,288,214.10 × 132,609,465.40
  4. Step 4: Simplify right side
    268,858,809.40x = 53,479,834,473,921,744
  5. Step 5: Solve for x
    x = 53,479,834,473,921,744/268,858,809.40
  6. Step 6: Final answer
    x = 198,914,198.10

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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.