Home / 135,864,218.80-203,808,769.80-55,068,468.40

Finding the Fourth Proportional to 135,864,218.80, 203,808,769.80 and 55,068,468.40

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Solution

The fourth proportional to 135,864,218.80, 203,808,769.80 and 55,068,468.40 is: 82,607,745.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,864,218.80 : 203,808,769.80 = 55,068,468.40 : x
  2. Step 2: Convert to fraction form
    135,864,218.80/203,808,769.80 = 55,068,468.40/x
  3. Step 3: Cross multiply
    135,864,218.80x = 203,808,769.80 × 55,068,468.40
  4. Step 4: Simplify right side
    135,864,218.80x = 11,223,436,799,374,174
  5. Step 5: Solve for x
    x = 11,223,436,799,374,174/135,864,218.80
  6. Step 6: Final answer
    x = 82,607,745.43

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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.