Home / 79,719,354.26-119,579,032.96-19,135,080.26

Finding the Fourth Proportional to 79,719,354.26, 119,579,032.96 and 19,135,080.26

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Solution

The fourth proportional to 79,719,354.26, 119,579,032.96 and 19,135,080.26 is: 28,702,620.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,719,354.26 : 119,579,032.96 = 19,135,080.26 : x
  2. Step 2: Convert to fraction form
    79,719,354.26/119,579,032.96 = 19,135,080.26/x
  3. Step 3: Cross multiply
    79,719,354.26x = 119,579,032.96 × 19,135,080.26
  4. Step 4: Simplify right side
    79,719,354.26x = 2,288,154,392,905,473.50
  5. Step 5: Solve for x
    x = 2,288,154,392,905,473.50/79,719,354.26
  6. Step 6: Final answer
    x = 28,702,620.76

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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.