Home / 54,404,645.20-81,606,967.80-18,502,853.20

Finding the Fourth Proportional to 54,404,645.20, 81,606,967.80 and 18,502,853.20

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Solution

The fourth proportional to 54,404,645.20, 81,606,967.80 and 18,502,853.20 is: 27,754,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,404,645.20 : 81,606,967.80 = 18,502,853.20 : x
  2. Step 2: Convert to fraction form
    54,404,645.20/81,606,967.80 = 18,502,853.20/x
  3. Step 3: Cross multiply
    54,404,645.20x = 81,606,967.80 × 18,502,853.20
  4. Step 4: Simplify right side
    54,404,645.20x = 1,509,961,745,300,526.75
  5. Step 5: Solve for x
    x = 1,509,961,745,300,526.75/54,404,645.20
  6. Step 6: Final answer
    x = 27,754,279.80

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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.