Home / 45,167,928.32-67,713,805.92-19,589,672.96

Finding the Fourth Proportional to 45,167,928.32, 67,713,805.92 and 19,589,672.96

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Solution

The fourth proportional to 45,167,928.32, 67,713,805.92 and 19,589,672.96 is: 29,367,991.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,167,928.32 : 67,713,805.92 = 19,589,672.96 : x
  2. Step 2: Convert to fraction form
    45,167,928.32/67,713,805.92 = 19,589,672.96/x
  3. Step 3: Cross multiply
    45,167,928.32x = 67,713,805.92 × 19,589,672.96
  4. Step 4: Simplify right side
    45,167,928.32x = 1,326,491,312,849,712
  5. Step 5: Solve for x
    x = 1,326,491,312,849,712/45,167,928.32
  6. Step 6: Final answer
    x = 29,367,991.01

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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.