Home / 52,626,966.78-78,945,864.52-19,865,131.44

Finding the Fourth Proportional to 52,626,966.78, 78,945,864.52 and 19,865,131.44

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Solution

The fourth proportional to 52,626,966.78, 78,945,864.52 and 19,865,131.44 is: 29,799,740.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,626,966.78 : 78,945,864.52 = 19,865,131.44 : x
  2. Step 2: Convert to fraction form
    52,626,966.78/78,945,864.52 = 19,865,131.44/x
  3. Step 3: Cross multiply
    52,626,966.78x = 78,945,864.52 × 19,865,131.44
  4. Step 4: Simplify right side
    52,626,966.78x = 1,568,269,975,334,232.50
  5. Step 5: Solve for x
    x = 1,568,269,975,334,232.50/52,626,966.78
  6. Step 6: Final answer
    x = 29,799,740.92

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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.