Home / 80,836,570.88-121,264,940.39-31,646,070.15

Finding the Fourth Proportional to 80,836,570.88, 121,264,940.39 and 31,646,070.15

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Solution

The fourth proportional to 80,836,570.88, 121,264,940.39 and 31,646,070.15 is: 47,473,052.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,836,570.88 : 121,264,940.39 = 31,646,070.15 : x
  2. Step 2: Convert to fraction form
    80,836,570.88/121,264,940.39 = 31,646,070.15/x
  3. Step 3: Cross multiply
    80,836,570.88x = 121,264,940.39 × 31,646,070.15
  4. Step 4: Simplify right side
    80,836,570.88x = 3,837,558,810,396,623.50
  5. Step 5: Solve for x
    x = 3,837,558,810,396,623.50/80,836,570.88
  6. Step 6: Final answer
    x = 47,473,052.96

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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.