Home / 78,436,247.17-117,668,735.74-32,352,977.21

Finding the Fourth Proportional to 78,436,247.17, 117,668,735.74 and 32,352,977.21

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Solution

The fourth proportional to 78,436,247.17, 117,668,735.74 and 32,352,977.21 is: 48,535,391.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,436,247.17 : 117,668,735.74 = 32,352,977.21 : x
  2. Step 2: Convert to fraction form
    78,436,247.17/117,668,735.74 = 32,352,977.21/x
  3. Step 3: Cross multiply
    78,436,247.17x = 117,668,735.74 × 32,352,977.21
  4. Step 4: Simplify right side
    78,436,247.17x = 3,806,933,925,137,388.50
  5. Step 5: Solve for x
    x = 3,806,933,925,137,388.50/78,436,247.17
  6. Step 6: Final answer
    x = 48,535,391.01

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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.