Home / 80,738,646.12-121,126,514.40-23,231,393.64

Finding the Fourth Proportional to 80,738,646.12, 121,126,514.40 and 23,231,393.64

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Solution

The fourth proportional to 80,738,646.12, 121,126,514.40 and 23,231,393.64 is: 34,852,426.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,738,646.12 : 121,126,514.40 = 23,231,393.64 : x
  2. Step 2: Convert to fraction form
    80,738,646.12/121,126,514.40 = 23,231,393.64/x
  3. Step 3: Cross multiply
    80,738,646.12x = 121,126,514.40 × 23,231,393.64
  4. Step 4: Simplify right side
    80,738,646.12x = 2,813,937,736,267,528.50
  5. Step 5: Solve for x
    x = 2,813,937,736,267,528.50/80,738,646.12
  6. Step 6: Final answer
    x = 34,852,426.58

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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.