Home / 52,626,960.25-78,945,854.76-19,865,124.95

Finding the Fourth Proportional to 52,626,960.25, 78,945,854.76 and 19,865,124.95

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Solution

The fourth proportional to 52,626,960.25, 78,945,854.76 and 19,865,124.95 is: 29,799,731.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,626,960.25 : 78,945,854.76 = 19,865,124.95 : x
  2. Step 2: Convert to fraction form
    52,626,960.25/78,945,854.76 = 19,865,124.95/x
  3. Step 3: Cross multiply
    52,626,960.25x = 78,945,854.76 × 19,865,124.95
  4. Step 4: Simplify right side
    52,626,960.25x = 1,568,269,268,697,223
  5. Step 5: Solve for x
    x = 1,568,269,268,697,223/52,626,960.25
  6. Step 6: Final answer
    x = 29,799,731.19

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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.