Home / 52,626,876.86-78,945,730.42-19,865,040.80

Finding the Fourth Proportional to 52,626,876.86, 78,945,730.42 and 19,865,040.80

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Solution

The fourth proportional to 52,626,876.86, 78,945,730.42 and 19,865,040.80 is: 29,799,605.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,626,876.86 : 78,945,730.42 = 19,865,040.80 : x
  2. Step 2: Convert to fraction form
    52,626,876.86/78,945,730.42 = 19,865,040.80/x
  3. Step 3: Cross multiply
    52,626,876.86x = 78,945,730.42 × 19,865,040.80
  4. Step 4: Simplify right side
    52,626,876.86x = 1,568,260,155,779,101.25
  5. Step 5: Solve for x
    x = 1,568,260,155,779,101.25/52,626,876.86
  6. Step 6: Final answer
    x = 29,799,605.25

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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.