Home / 209,953,503.80-314,930,255.70-132,859,129.40

Finding the Fourth Proportional to 209,953,503.80, 314,930,255.70 and 132,859,129.40

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Solution

The fourth proportional to 209,953,503.80, 314,930,255.70 and 132,859,129.40 is: 199,288,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,503.80 : 314,930,255.70 = 132,859,129.40 : x
  2. Step 2: Convert to fraction form
    209,953,503.80/314,930,255.70 = 132,859,129.40/x
  3. Step 3: Cross multiply
    209,953,503.80x = 314,930,255.70 × 132,859,129.40
  4. Step 4: Simplify right side
    209,953,503.80x = 41,841,359,594,021,384
  5. Step 5: Solve for x
    x = 41,841,359,594,021,384/209,953,503.80
  6. Step 6: Final answer
    x = 199,288,694.10

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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.