Home / 54,404,581.60-81,606,872.40-18,018,587.80

Finding the Fourth Proportional to 54,404,581.60, 81,606,872.40 and 18,018,587.80

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Solution

The fourth proportional to 54,404,581.60, 81,606,872.40 and 18,018,587.80 is: 27,027,881.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,404,581.60 : 81,606,872.40 = 18,018,587.80 : x
  2. Step 2: Convert to fraction form
    54,404,581.60/81,606,872.40 = 18,018,587.80/x
  3. Step 3: Cross multiply
    54,404,581.60x = 81,606,872.40 × 18,018,587.80
  4. Step 4: Simplify right side
    54,404,581.60x = 1,470,440,595,422,797
  5. Step 5: Solve for x
    x = 1,470,440,595,422,797/54,404,581.60
  6. Step 6: Final answer
    x = 27,027,881.70

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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.