Home / 43,105,873.50-64,667,328.21-15,812,419.68

Finding the Fourth Proportional to 43,105,873.50, 64,667,328.21 and 15,812,419.68

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Solution

The fourth proportional to 43,105,873.50, 64,667,328.21 and 15,812,419.68 is: 23,721,754.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,105,873.50 : 64,667,328.21 = 15,812,419.68 : x
  2. Step 2: Convert to fraction form
    43,105,873.50/64,667,328.21 = 15,812,419.68/x
  3. Step 3: Cross multiply
    43,105,873.50x = 64,667,328.21 × 15,812,419.68
  4. Step 4: Simplify right side
    43,105,873.50x = 1,022,546,933,240,823.12
  5. Step 5: Solve for x
    x = 1,022,546,933,240,823.12/43,105,873.50
  6. Step 6: Final answer
    x = 23,721,754.14

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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.