Home / 209,953,486.80-314,930,230.20-132,859,112.40

Finding the Fourth Proportional to 209,953,486.80, 314,930,230.20 and 132,859,112.40

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Solution

The fourth proportional to 209,953,486.80, 314,930,230.20 and 132,859,112.40 is: 199,288,668.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,486.80 : 314,930,230.20 = 132,859,112.40 : x
  2. Step 2: Convert to fraction form
    209,953,486.80/314,930,230.20 = 132,859,112.40/x
  3. Step 3: Cross multiply
    209,953,486.80x = 314,930,230.20 × 132,859,112.40
  4. Step 4: Simplify right side
    209,953,486.80x = 41,841,350,852,299,672
  5. Step 5: Solve for x
    x = 41,841,350,852,299,672/209,953,486.80
  6. Step 6: Final answer
    x = 199,288,668.60

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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.