Home / 245,165,653.30-338,330,910.13-135,161,302.90

Finding the Fourth Proportional to 245,165,653.30, 338,330,910.13 and 135,161,302.90

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Solution

The fourth proportional to 245,165,653.30, 338,330,910.13 and 135,161,302.90 is: 186,523,870.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,165,653.30 : 338,330,910.13 = 135,161,302.90 : x
  2. Step 2: Convert to fraction form
    245,165,653.30/338,330,910.13 = 135,161,302.90/x
  3. Step 3: Cross multiply
    245,165,653.30x = 338,330,910.13 × 135,161,302.90
  4. Step 4: Simplify right side
    245,165,653.30x = 45,729,246,624,513,608
  5. Step 5: Solve for x
    x = 45,729,246,624,513,608/245,165,653.30
  6. Step 6: Final answer
    x = 186,523,870.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.