Home / 54,274,228.48-81,342,867.74-21,908,115.64

Finding the Fourth Proportional to 54,274,228.48, 81,342,867.74 and 21,908,115.64

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Solution

The fourth proportional to 54,274,228.48, 81,342,867.74 and 21,908,115.64 is: 32,834,533.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,274,228.48 : 81,342,867.74 = 21,908,115.64 : x
  2. Step 2: Convert to fraction form
    54,274,228.48/81,342,867.74 = 21,908,115.64/x
  3. Step 3: Cross multiply
    54,274,228.48x = 81,342,867.74 × 21,908,115.64
  4. Step 4: Simplify right side
    54,274,228.48x = 1,782,068,952,788,558.75
  5. Step 5: Solve for x
    x = 1,782,068,952,788,558.75/54,274,228.48
  6. Step 6: Final answer
    x = 32,834,533.13

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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.