Home / 115,050,516.92-171,945,369.69-83,991,579.65

Finding the Fourth Proportional to 115,050,516.92, 171,945,369.69 and 83,991,579.65

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Solution

The fourth proportional to 115,050,516.92, 171,945,369.69 and 83,991,579.65 is: 125,527,147.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,050,516.92 : 171,945,369.69 = 83,991,579.65 : x
  2. Step 2: Convert to fraction form
    115,050,516.92/171,945,369.69 = 83,991,579.65/x
  3. Step 3: Cross multiply
    115,050,516.92x = 171,945,369.69 × 83,991,579.65
  4. Step 4: Simplify right side
    115,050,516.92x = 14,441,963,212,906,604
  5. Step 5: Solve for x
    x = 14,441,963,212,906,604/115,050,516.92
  6. Step 6: Final answer
    x = 125,527,147.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.