Home / 53,945,792.80-80,918,689.20-52,686,080.80

Finding the Fourth Proportional to 53,945,792.80, 80,918,689.20 and 52,686,080.80

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Solution

The fourth proportional to 53,945,792.80, 80,918,689.20 and 52,686,080.80 is: 79,029,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,945,792.80 : 80,918,689.20 = 52,686,080.80 : x
  2. Step 2: Convert to fraction form
    53,945,792.80/80,918,689.20 = 52,686,080.80/x
  3. Step 3: Cross multiply
    53,945,792.80x = 80,918,689.20 × 52,686,080.80
  4. Step 4: Simplify right side
    53,945,792.80x = 4,263,288,597,421,287.50
  5. Step 5: Solve for x
    x = 4,263,288,597,421,287.50/53,945,792.80
  6. Step 6: Final answer
    x = 79,029,121.20

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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.