Home / 298,270,085.33-411,662,806.00-172,900,703.72

Finding the Fourth Proportional to 298,270,085.33, 411,662,806.00 and 172,900,703.72

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Solution

The fourth proportional to 298,270,085.33, 411,662,806.00 and 172,900,703.72 is: 238,632,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,270,085.33 : 411,662,806.00 = 172,900,703.72 : x
  2. Step 2: Convert to fraction form
    298,270,085.33/411,662,806.00 = 172,900,703.72/x
  3. Step 3: Cross multiply
    298,270,085.33x = 411,662,806.00 × 172,900,703.72
  4. Step 4: Simplify right side
    298,270,085.33x = 71,176,788,853,346,744
  5. Step 5: Solve for x
    x = 71,176,788,853,346,744/298,270,085.33
  6. Step 6: Final answer
    x = 238,632,006.20

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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.