Home / 68,787,088.25-103,245,276.92-36,021,174.53

Finding the Fourth Proportional to 68,787,088.25, 103,245,276.92 and 36,021,174.53

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Solution

The fourth proportional to 68,787,088.25, 103,245,276.92 and 36,021,174.53 is: 54,065,613.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,787,088.25 : 103,245,276.92 = 36,021,174.53 : x
  2. Step 2: Convert to fraction form
    68,787,088.25/103,245,276.92 = 36,021,174.53/x
  3. Step 3: Cross multiply
    68,787,088.25x = 103,245,276.92 × 36,021,174.53
  4. Step 4: Simplify right side
    68,787,088.25x = 3,719,016,138,637,168.50
  5. Step 5: Solve for x
    x = 3,719,016,138,637,168.50/68,787,088.25
  6. Step 6: Final answer
    x = 54,065,613.67

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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.