Home / 52,626,959.50-78,945,853.63-19,865,124.20

Finding the Fourth Proportional to 52,626,959.50, 78,945,853.63 and 19,865,124.20

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Solution

The fourth proportional to 52,626,959.50, 78,945,853.63 and 19,865,124.20 is: 29,799,730.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,626,959.50 : 78,945,853.63 = 19,865,124.20 : x
  2. Step 2: Convert to fraction form
    52,626,959.50/78,945,853.63 = 19,865,124.20/x
  3. Step 3: Cross multiply
    52,626,959.50x = 78,945,853.63 × 19,865,124.20
  4. Step 4: Simplify right side
    52,626,959.50x = 1,568,269,186,990,578.75
  5. Step 5: Solve for x
    x = 1,568,269,186,990,578.75/52,626,959.50
  6. Step 6: Final answer
    x = 29,799,730.06

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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.