Home / 142,329,930.40-213,494,895.60-131,244,464.80

Finding the Fourth Proportional to 142,329,930.40, 213,494,895.60 and 131,244,464.80

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Solution

The fourth proportional to 142,329,930.40, 213,494,895.60 and 131,244,464.80 is: 196,866,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,329,930.40 : 213,494,895.60 = 131,244,464.80 : x
  2. Step 2: Convert to fraction form
    142,329,930.40/213,494,895.60 = 131,244,464.80/x
  3. Step 3: Cross multiply
    142,329,930.40x = 213,494,895.60 × 131,244,464.80
  4. Step 4: Simplify right side
    142,329,930.40x = 28,020,023,310,553,872
  5. Step 5: Solve for x
    x = 28,020,023,310,553,872/142,329,930.40
  6. Step 6: Final answer
    x = 196,866,697.20

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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.