Home / 80,828,220.90-121,261,453.02-26,240,700.90

Finding the Fourth Proportional to 80,828,220.90, 121,261,453.02 and 26,240,700.90

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Solution

The fourth proportional to 80,828,220.90, 121,261,453.02 and 26,240,700.90 is: 39,367,259.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,828,220.90 : 121,261,453.02 = 26,240,700.90 : x
  2. Step 2: Convert to fraction form
    80,828,220.90/121,261,453.02 = 26,240,700.90/x
  3. Step 3: Cross multiply
    80,828,220.90x = 121,261,453.02 × 26,240,700.90
  4. Step 4: Simplify right side
    80,828,220.90x = 3,181,985,519,397,221.50
  5. Step 5: Solve for x
    x = 3,181,985,519,397,221.50/80,828,220.90
  6. Step 6: Final answer
    x = 39,367,259.16

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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.