Home / 66,260,867.28-91,237,198.95-66,069,548.52

Finding the Fourth Proportional to 66,260,867.28, 91,237,198.95 and 66,069,548.52

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Solution

The fourth proportional to 66,260,867.28, 91,237,198.95 and 66,069,548.52 is: 90,973,764.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,260,867.28 : 91,237,198.95 = 66,069,548.52 : x
  2. Step 2: Convert to fraction form
    66,260,867.28/91,237,198.95 = 66,069,548.52/x
  3. Step 3: Cross multiply
    66,260,867.28x = 91,237,198.95 × 66,069,548.52
  4. Step 4: Simplify right side
    66,260,867.28x = 6,028,000,542,855,919
  5. Step 5: Solve for x
    x = 6,028,000,542,855,919/66,260,867.28
  6. Step 6: Final answer
    x = 90,973,764.61

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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.