Home / 105,471,469.49-145,550,606.87-58,431,599.69

Finding the Fourth Proportional to 105,471,469.49, 145,550,606.87 and 58,431,599.69

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Solution

The fourth proportional to 105,471,469.49, 145,550,606.87 and 58,431,599.69 is: 80,635,595.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,471,469.49 : 145,550,606.87 = 58,431,599.69 : x
  2. Step 2: Convert to fraction form
    105,471,469.49/145,550,606.87 = 58,431,599.69/x
  3. Step 3: Cross multiply
    105,471,469.49x = 145,550,606.87 × 58,431,599.69
  4. Step 4: Simplify right side
    105,471,469.49x = 8,504,754,794,682,730
  5. Step 5: Solve for x
    x = 8,504,754,794,682,730/105,471,469.49
  6. Step 6: Final answer
    x = 80,635,595.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.