Home / 78,436,247.67-117,668,736.49-32,352,977.70

Finding the Fourth Proportional to 78,436,247.67, 117,668,736.49 and 32,352,977.70

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Solution

The fourth proportional to 78,436,247.67, 117,668,736.49 and 32,352,977.70 is: 48,535,391.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,436,247.67 : 117,668,736.49 = 32,352,977.70 : x
  2. Step 2: Convert to fraction form
    78,436,247.67/117,668,736.49 = 32,352,977.70/x
  3. Step 3: Cross multiply
    78,436,247.67x = 117,668,736.49 × 32,352,977.70
  4. Step 4: Simplify right side
    78,436,247.67x = 3,806,934,007,648,146
  5. Step 5: Solve for x
    x = 3,806,934,007,648,146/78,436,247.67
  6. Step 6: Final answer
    x = 48,535,391.74

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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.