Home / 218,675,265.80-328,016,786.70-65,323,214.60

Finding the Fourth Proportional to 218,675,265.80, 328,016,786.70 and 65,323,214.60

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Solution

The fourth proportional to 218,675,265.80, 328,016,786.70 and 65,323,214.60 is: 97,985,983.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,675,265.80 : 328,016,786.70 = 65,323,214.60 : x
  2. Step 2: Convert to fraction form
    218,675,265.80/328,016,786.70 = 65,323,214.60/x
  3. Step 3: Cross multiply
    218,675,265.80x = 328,016,786.70 × 65,323,214.60
  4. Step 4: Simplify right side
    218,675,265.80x = 21,427,110,950,006,524
  5. Step 5: Solve for x
    x = 21,427,110,950,006,524/218,675,265.80
  6. Step 6: Final answer
    x = 97,985,983.33

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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.