Home / 280,059,099.12-420,154,633.08-95,828,581.08

Finding the Fourth Proportional to 280,059,099.12, 420,154,633.08 and 95,828,581.08

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Solution

The fourth proportional to 280,059,099.12, 420,154,633.08 and 95,828,581.08 is: 143,765,449.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,059,099.12 : 420,154,633.08 = 95,828,581.08 : x
  2. Step 2: Convert to fraction form
    280,059,099.12/420,154,633.08 = 95,828,581.08/x
  3. Step 3: Cross multiply
    280,059,099.12x = 420,154,633.08 × 95,828,581.08
  4. Step 4: Simplify right side
    280,059,099.12x = 40,262,822,322,244,424
  5. Step 5: Solve for x
    x = 40,262,822,322,244,424/280,059,099.12
  6. Step 6: Final answer
    x = 143,765,449.68

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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.