Home / 80,514,075.20-120,771,112.80-26,661,387.20

Finding the Fourth Proportional to 80,514,075.20, 120,771,112.80 and 26,661,387.20

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Solution

The fourth proportional to 80,514,075.20, 120,771,112.80 and 26,661,387.20 is: 39,992,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,514,075.20 : 120,771,112.80 = 26,661,387.20 : x
  2. Step 2: Convert to fraction form
    80,514,075.20/120,771,112.80 = 26,661,387.20/x
  3. Step 3: Cross multiply
    80,514,075.20x = 120,771,112.80 × 26,661,387.20
  4. Step 4: Simplify right side
    80,514,075.20x = 3,219,925,400,935,676
  5. Step 5: Solve for x
    x = 3,219,925,400,935,676/80,514,075.20
  6. Step 6: Final answer
    x = 39,992,080.80

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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.