Home / 80,836,570.75-121,264,940.21-31,646,070.03

Finding the Fourth Proportional to 80,836,570.75, 121,264,940.21 and 31,646,070.03

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Solution

The fourth proportional to 80,836,570.75, 121,264,940.21 and 31,646,070.03 is: 47,473,052.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,836,570.75 : 121,264,940.21 = 31,646,070.03 : x
  2. Step 2: Convert to fraction form
    80,836,570.75/121,264,940.21 = 31,646,070.03/x
  3. Step 3: Cross multiply
    80,836,570.75x = 121,264,940.21 × 31,646,070.03
  4. Step 4: Simplify right side
    80,836,570.75x = 3,837,558,789,304,867.50
  5. Step 5: Solve for x
    x = 3,837,558,789,304,867.50/80,836,570.75
  6. Step 6: Final answer
    x = 47,473,052.77

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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.