Home / 201,897,166.60-302,149,020.30-121,176,065.80

Finding the Fourth Proportional to 201,897,166.60, 302,149,020.30 and 121,176,065.80

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Solution

The fourth proportional to 201,897,166.60, 302,149,020.30 and 121,176,065.80 is: 181,345,930.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,897,166.60 : 302,149,020.30 = 121,176,065.80 : x
  2. Step 2: Convert to fraction form
    201,897,166.60/302,149,020.30 = 121,176,065.80/x
  3. Step 3: Cross multiply
    201,897,166.60x = 302,149,020.30 × 121,176,065.80
  4. Step 4: Simplify right side
    201,897,166.60x = 36,613,229,565,278,336
  5. Step 5: Solve for x
    x = 36,613,229,565,278,336/201,897,166.60
  6. Step 6: Final answer
    x = 181,345,930.61

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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.