Home / 141,246,123.20-212,004,487.20-73,137,694.40

Finding the Fourth Proportional to 141,246,123.20, 212,004,487.20 and 73,137,694.40

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Solution

The fourth proportional to 141,246,123.20, 212,004,487.20 and 73,137,694.40 is: 109,776,601.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,246,123.20 : 212,004,487.20 = 73,137,694.40 : x
  2. Step 2: Convert to fraction form
    141,246,123.20/212,004,487.20 = 73,137,694.40/x
  3. Step 3: Cross multiply
    141,246,123.20x = 212,004,487.20 × 73,137,694.40
  4. Step 4: Simplify right side
    141,246,123.20x = 15,505,519,396,262,312
  5. Step 5: Solve for x
    x = 15,505,519,396,262,312/141,246,123.20
  6. Step 6: Final answer
    x = 109,776,601.62

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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.