Home / 113,325,383.20-169,988,074.80-88,666,520.80

Finding the Fourth Proportional to 113,325,383.20, 169,988,074.80 and 88,666,520.80

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Solution

The fourth proportional to 113,325,383.20, 169,988,074.80 and 88,666,520.80 is: 132,999,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,325,383.20 : 169,988,074.80 = 88,666,520.80 : x
  2. Step 2: Convert to fraction form
    113,325,383.20/169,988,074.80 = 88,666,520.80/x
  3. Step 3: Cross multiply
    113,325,383.20x = 169,988,074.80 × 88,666,520.80
  4. Step 4: Simplify right side
    113,325,383.20x = 15,072,251,170,006,156
  5. Step 5: Solve for x
    x = 15,072,251,170,006,156/113,325,383.20
  6. Step 6: Final answer
    x = 132,999,781.20

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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.