Home / 209,540,363.80-314,452,263.30-117,423,923.80

Finding the Fourth Proportional to 209,540,363.80, 314,452,263.30 and 117,423,923.80

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Solution

The fourth proportional to 209,540,363.80, 314,452,263.30 and 117,423,923.80 is: 176,215,302.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,540,363.80 : 314,452,263.30 = 117,423,923.80 : x
  2. Step 2: Convert to fraction form
    209,540,363.80/314,452,263.30 = 117,423,923.80/x
  3. Step 3: Cross multiply
    209,540,363.80x = 314,452,263.30 × 117,423,923.80
  4. Step 4: Simplify right side
    209,540,363.80x = 36,924,218,604,476,736
  5. Step 5: Solve for x
    x = 36,924,218,604,476,736/209,540,363.80
  6. Step 6: Final answer
    x = 176,215,302.55

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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.