Home / 66,236,521.05-91,406,403.15-36,867,223.53

Finding the Fourth Proportional to 66,236,521.05, 91,406,403.15 and 36,867,223.53

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Solution

The fourth proportional to 66,236,521.05, 91,406,403.15 and 36,867,223.53 is: 50,876,770.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,236,521.05 : 91,406,403.15 = 36,867,223.53 : x
  2. Step 2: Convert to fraction form
    66,236,521.05/91,406,403.15 = 36,867,223.53/x
  3. Step 3: Cross multiply
    66,236,521.05x = 91,406,403.15 × 36,867,223.53
  4. Step 4: Simplify right side
    66,236,521.05x = 3,369,900,297,004,346.50
  5. Step 5: Solve for x
    x = 3,369,900,297,004,346.50/66,236,521.05
  6. Step 6: Final answer
    x = 50,876,770.75

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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.