Home / 178,137,661.70-267,206,492.55-117,621,719.30

Finding the Fourth Proportional to 178,137,661.70, 267,206,492.55 and 117,621,719.30

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Solution

The fourth proportional to 178,137,661.70, 267,206,492.55 and 117,621,719.30 is: 176,432,578.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,137,661.70 : 267,206,492.55 = 117,621,719.30 : x
  2. Step 2: Convert to fraction form
    178,137,661.70/267,206,492.55 = 117,621,719.30/x
  3. Step 3: Cross multiply
    178,137,661.70x = 267,206,492.55 × 117,621,719.30
  4. Step 4: Simplify right side
    178,137,661.70x = 31,429,287,061,853,640
  5. Step 5: Solve for x
    x = 31,429,287,061,853,640/178,137,661.70
  6. Step 6: Final answer
    x = 176,432,578.95

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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.