Home / 79,719,360.39-119,579,041.98-19,135,086.39

Finding the Fourth Proportional to 79,719,360.39, 119,579,041.98 and 19,135,086.39

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Solution

The fourth proportional to 79,719,360.39, 119,579,041.98 and 19,135,086.39 is: 28,702,629.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,719,360.39 : 119,579,041.98 = 19,135,086.39 : x
  2. Step 2: Convert to fraction form
    79,719,360.39/119,579,041.98 = 19,135,086.39/x
  3. Step 3: Cross multiply
    79,719,360.39x = 119,579,041.98 × 19,135,086.39
  4. Step 4: Simplify right side
    79,719,360.39x = 2,288,155,298,846,291.50
  5. Step 5: Solve for x
    x = 2,288,155,298,846,291.50/79,719,360.39
  6. Step 6: Final answer
    x = 28,702,629.92

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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.