Home / 54,352,446.89-81,564,542.61-28,811,392.43

Finding the Fourth Proportional to 54,352,446.89, 81,564,542.61 and 28,811,392.43

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Solution

The fourth proportional to 54,352,446.89, 81,564,542.61 and 28,811,392.43 is: 43,236,103.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,352,446.89 : 81,564,542.61 = 28,811,392.43 : x
  2. Step 2: Convert to fraction form
    54,352,446.89/81,564,542.61 = 28,811,392.43/x
  3. Step 3: Cross multiply
    54,352,446.89x = 81,564,542.61 × 28,811,392.43
  4. Step 4: Simplify right side
    54,352,446.89x = 2,349,988,045,366,109.50
  5. Step 5: Solve for x
    x = 2,349,988,045,366,109.50/54,352,446.89
  6. Step 6: Final answer
    x = 43,236,103.98

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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.