Home / 80,807,109.57-121,210,665.38-19,396,268.13

Finding the Fourth Proportional to 80,807,109.57, 121,210,665.38 and 19,396,268.13

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Solution

The fourth proportional to 80,807,109.57, 121,210,665.38 and 19,396,268.13 is: 29,094,402.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,807,109.57 : 121,210,665.38 = 19,396,268.13 : x
  2. Step 2: Convert to fraction form
    80,807,109.57/121,210,665.38 = 19,396,268.13/x
  3. Step 3: Cross multiply
    80,807,109.57x = 121,210,665.38 × 19,396,268.13
  4. Step 4: Simplify right side
    80,807,109.57x = 2,351,034,565,829,207
  5. Step 5: Solve for x
    x = 2,351,034,565,829,207/80,807,109.57
  6. Step 6: Final answer
    x = 29,094,402.44

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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.