Home / 89,851,422.28-123,994,986.90-50,701,496.20

Finding the Fourth Proportional to 89,851,422.28, 123,994,986.90 and 50,701,496.20

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Solution

The fourth proportional to 89,851,422.28, 123,994,986.90 and 50,701,496.20 is: 69,968,078.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,851,422.28 : 123,994,986.90 = 50,701,496.20 : x
  2. Step 2: Convert to fraction form
    89,851,422.28/123,994,986.90 = 50,701,496.20/x
  3. Step 3: Cross multiply
    89,851,422.28x = 123,994,986.90 × 50,701,496.20
  4. Step 4: Simplify right side
    89,851,422.28x = 6,286,731,357,129,400
  5. Step 5: Solve for x
    x = 6,286,731,357,129,400/89,851,422.28
  6. Step 6: Final answer
    x = 69,968,078.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.