Home / 115,050,515.92-171,945,368.20-83,991,578.65

Finding the Fourth Proportional to 115,050,515.92, 171,945,368.20 and 83,991,578.65

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Solution

The fourth proportional to 115,050,515.92, 171,945,368.20 and 83,991,578.65 is: 125,527,146.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,050,515.92 : 171,945,368.20 = 83,991,578.65 : x
  2. Step 2: Convert to fraction form
    115,050,515.92/171,945,368.20 = 83,991,578.65/x
  3. Step 3: Cross multiply
    115,050,515.92x = 171,945,368.20 × 83,991,578.65
  4. Step 4: Simplify right side
    115,050,515.92x = 14,441,962,916,673,508
  5. Step 5: Solve for x
    x = 14,441,962,916,673,508/115,050,515.92
  6. Step 6: Final answer
    x = 125,527,146.06

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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.