Home / 42,509,405.10-63,764,107.65-16,954,358.70

Finding the Fourth Proportional to 42,509,405.10, 63,764,107.65 and 16,954,358.70

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Solution

The fourth proportional to 42,509,405.10, 63,764,107.65 and 16,954,358.70 is: 25,431,538.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,509,405.10 : 63,764,107.65 = 16,954,358.70 : x
  2. Step 2: Convert to fraction form
    42,509,405.10/63,764,107.65 = 16,954,358.70/x
  3. Step 3: Cross multiply
    42,509,405.10x = 63,764,107.65 × 16,954,358.70
  4. Step 4: Simplify right side
    42,509,405.10x = 1,081,079,553,283,514
  5. Step 5: Solve for x
    x = 1,081,079,553,283,514/42,509,405.10
  6. Step 6: Final answer
    x = 25,431,538.05

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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.