Home / 143,268,264.32-197,709,016.27-80,544,641.87

Finding the Fourth Proportional to 143,268,264.32, 197,709,016.27 and 80,544,641.87

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Solution

The fourth proportional to 143,268,264.32, 197,709,016.27 and 80,544,641.87 is: 111,150,937.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,268,264.32 : 197,709,016.27 = 80,544,641.87 : x
  2. Step 2: Convert to fraction form
    143,268,264.32/197,709,016.27 = 80,544,641.87/x
  3. Step 3: Cross multiply
    143,268,264.32x = 197,709,016.27 × 80,544,641.87
  4. Step 4: Simplify right side
    143,268,264.32x = 15,924,401,910,312,020
  5. Step 5: Solve for x
    x = 15,924,401,910,312,020/143,268,264.32
  6. Step 6: Final answer
    x = 111,150,937.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.