Home / 43,105,729.72-64,667,112.35-15,812,275.90

Finding the Fourth Proportional to 43,105,729.72, 64,667,112.35 and 15,812,275.90

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Solution

The fourth proportional to 43,105,729.72, 64,667,112.35 and 15,812,275.90 is: 23,721,538.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,105,729.72 : 64,667,112.35 = 15,812,275.90 : x
  2. Step 2: Convert to fraction form
    43,105,729.72/64,667,112.35 = 15,812,275.90/x
  3. Step 3: Cross multiply
    43,105,729.72x = 64,667,112.35 × 15,812,275.90
  4. Step 4: Simplify right side
    43,105,729.72x = 1,022,534,222,134,497.38
  5. Step 5: Solve for x
    x = 1,022,534,222,134,497.38/43,105,729.72
  6. Step 6: Final answer
    x = 23,721,538.38

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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.