Home / 128,944,313.70-193,416,470.55-117,040,035.30

Finding the Fourth Proportional to 128,944,313.70, 193,416,470.55 and 117,040,035.30

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Solution

The fourth proportional to 128,944,313.70, 193,416,470.55 and 117,040,035.30 is: 175,560,052.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,944,313.70 : 193,416,470.55 = 117,040,035.30 : x
  2. Step 2: Convert to fraction form
    128,944,313.70/193,416,470.55 = 117,040,035.30/x
  3. Step 3: Cross multiply
    128,944,313.70x = 193,416,470.55 × 117,040,035.30
  4. Step 4: Simplify right side
    128,944,313.70x = 22,637,470,540,773,412
  5. Step 5: Solve for x
    x = 22,637,470,540,773,412/128,944,313.70
  6. Step 6: Final answer
    x = 175,560,052.95

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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.