Home / 218,422,677.51-327,635,241.03-72,855,839.25

Finding the Fourth Proportional to 218,422,677.51, 327,635,241.03 and 72,855,839.25

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Solution

The fourth proportional to 218,422,677.51, 327,635,241.03 and 72,855,839.25 is: 109,284,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,422,677.51 : 327,635,241.03 = 72,855,839.25 : x
  2. Step 2: Convert to fraction form
    218,422,677.51/327,635,241.03 = 72,855,839.25/x
  3. Step 3: Cross multiply
    218,422,677.51x = 327,635,241.03 × 72,855,839.25
  4. Step 4: Simplify right side
    218,422,677.51x = 23,870,140,453,116,684
  5. Step 5: Solve for x
    x = 23,870,140,453,116,684/218,422,677.51
  6. Step 6: Final answer
    x = 109,284,167.40

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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.