Home / 128,060,911.39-192,062,617.61-58,907,298.89

Finding the Fourth Proportional to 128,060,911.39, 192,062,617.61 and 58,907,298.89

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Solution

The fourth proportional to 128,060,911.39, 192,062,617.61 and 58,907,298.89 is: 88,347,723.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,060,911.39 : 192,062,617.61 = 58,907,298.89 : x
  2. Step 2: Convert to fraction form
    128,060,911.39/192,062,617.61 = 58,907,298.89/x
  3. Step 3: Cross multiply
    128,060,911.39x = 192,062,617.61 × 58,907,298.89
  4. Step 4: Simplify right side
    128,060,911.39x = 11,313,890,021,148,048
  5. Step 5: Solve for x
    x = 11,313,890,021,148,048/128,060,911.39
  6. Step 6: Final answer
    x = 88,347,723.74

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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.