Home / 121,279,302.80-181,918,954.20-35,020,523.60

Finding the Fourth Proportional to 121,279,302.80, 181,918,954.20 and 35,020,523.60

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Solution

The fourth proportional to 121,279,302.80, 181,918,954.20 and 35,020,523.60 is: 52,530,785.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,279,302.80 : 181,918,954.20 = 35,020,523.60 : x
  2. Step 2: Convert to fraction form
    121,279,302.80/181,918,954.20 = 35,020,523.60/x
  3. Step 3: Cross multiply
    121,279,302.80x = 181,918,954.20 × 35,020,523.60
  4. Step 4: Simplify right side
    121,279,302.80x = 6,370,897,028,848,419
  5. Step 5: Solve for x
    x = 6,370,897,028,848,419/121,279,302.80
  6. Step 6: Final answer
    x = 52,530,785.40

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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.