Home / 52,626,875.86-78,945,728.92-19,865,039.80

Finding the Fourth Proportional to 52,626,875.86, 78,945,728.92 and 19,865,039.80

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Solution

The fourth proportional to 52,626,875.86, 78,945,728.92 and 19,865,039.80 is: 29,799,603.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,626,875.86 : 78,945,728.92 = 19,865,039.80 : x
  2. Step 2: Convert to fraction form
    52,626,875.86/78,945,728.92 = 19,865,039.80/x
  3. Step 3: Cross multiply
    52,626,875.86x = 78,945,728.92 × 19,865,039.80
  4. Step 4: Simplify right side
    52,626,875.86x = 1,568,260,046,936,486
  5. Step 5: Solve for x
    x = 1,568,260,046,936,486/52,626,875.86
  6. Step 6: Final answer
    x = 29,799,603.75

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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.