Home / 54,285,128.70-81,439,502.85-17,887,325.10

Finding the Fourth Proportional to 54,285,128.70, 81,439,502.85 and 17,887,325.10

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Solution

The fourth proportional to 54,285,128.70, 81,439,502.85 and 17,887,325.10 is: 26,834,879.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,285,128.70 : 81,439,502.85 = 17,887,325.10 : x
  2. Step 2: Convert to fraction form
    54,285,128.70/81,439,502.85 = 17,887,325.10/x
  3. Step 3: Cross multiply
    54,285,128.70x = 81,439,502.85 × 17,887,325.10
  4. Step 4: Simplify right side
    54,285,128.70x = 1,456,734,863,460,326.50
  5. Step 5: Solve for x
    x = 1,456,734,863,460,326.50/54,285,128.70
  6. Step 6: Final answer
    x = 26,834,879.06

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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.