Home / 66,236,607.90-91,406,523.30-36,867,310.20

Finding the Fourth Proportional to 66,236,607.90, 91,406,523.30 and 36,867,310.20

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Solution

The fourth proportional to 66,236,607.90, 91,406,523.30 and 36,867,310.20 is: 50,876,890.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,236,607.90 : 91,406,523.30 = 36,867,310.20 : x
  2. Step 2: Convert to fraction form
    66,236,607.90/91,406,523.30 = 36,867,310.20/x
  3. Step 3: Cross multiply
    66,236,607.90x = 91,406,523.30 × 36,867,310.20
  4. Step 4: Simplify right side
    66,236,607.90x = 3,369,912,648,804,628
  5. Step 5: Solve for x
    x = 3,369,912,648,804,628/66,236,607.90
  6. Step 6: Final answer
    x = 50,876,890.52

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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.