Home / 54,352,446.39-81,564,541.85-28,811,391.93

Finding the Fourth Proportional to 54,352,446.39, 81,564,541.85 and 28,811,391.93

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Solution

The fourth proportional to 54,352,446.39, 81,564,541.85 and 28,811,391.93 is: 43,236,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,352,446.39 : 81,564,541.85 = 28,811,391.93 : x
  2. Step 2: Convert to fraction form
    54,352,446.39/81,564,541.85 = 28,811,391.93/x
  3. Step 3: Cross multiply
    54,352,446.39x = 81,564,541.85 × 28,811,391.93
  4. Step 4: Simplify right side
    54,352,446.39x = 2,349,987,982,903,266
  5. Step 5: Solve for x
    x = 2,349,987,982,903,266/54,352,446.39
  6. Step 6: Final answer
    x = 43,236,103.23

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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.