Home / 55,135,657.70-82,703,486.55-54,285,352.10

Finding the Fourth Proportional to 55,135,657.70, 82,703,486.55 and 54,285,352.10

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Solution

The fourth proportional to 55,135,657.70, 82,703,486.55 and 54,285,352.10 is: 81,428,028.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,135,657.70 : 82,703,486.55 = 54,285,352.10 : x
  2. Step 2: Convert to fraction form
    55,135,657.70/82,703,486.55 = 54,285,352.10/x
  3. Step 3: Cross multiply
    55,135,657.70x = 82,703,486.55 × 54,285,352.10
  4. Step 4: Simplify right side
    55,135,657.70x = 4,489,587,887,264,364
  5. Step 5: Solve for x
    x = 4,489,587,887,264,364/55,135,657.70
  6. Step 6: Final answer
    x = 81,428,028.15

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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.