Home / 280,451,734.32-420,686,171.64-96,216,626.12

Finding the Fourth Proportional to 280,451,734.32, 420,686,171.64 and 96,216,626.12

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Solution

The fourth proportional to 280,451,734.32, 420,686,171.64 and 96,216,626.12 is: 144,327,879.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,451,734.32 : 420,686,171.64 = 96,216,626.12 : x
  2. Step 2: Convert to fraction form
    280,451,734.32/420,686,171.64 = 96,216,626.12/x
  3. Step 3: Cross multiply
    280,451,734.32x = 420,686,171.64 × 96,216,626.12
  4. Step 4: Simplify right side
    280,451,734.32x = 40,477,004,090,540,024
  5. Step 5: Solve for x
    x = 40,477,004,090,540,024/280,451,734.32
  6. Step 6: Final answer
    x = 144,327,879.41

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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.