Home / 68,854,326.71-95,015,254.64-39,486,897.05

Finding the Fourth Proportional to 68,854,326.71, 95,015,254.64 and 39,486,897.05

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Solution

The fourth proportional to 68,854,326.71, 95,015,254.64 and 39,486,897.05 is: 54,489,786.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,854,326.71 : 95,015,254.64 = 39,486,897.05 : x
  2. Step 2: Convert to fraction form
    68,854,326.71/95,015,254.64 = 39,486,897.05/x
  3. Step 3: Cross multiply
    68,854,326.71x = 95,015,254.64 × 39,486,897.05
  4. Step 4: Simplify right side
    68,854,326.71x = 3,751,857,577,476,704.50
  5. Step 5: Solve for x
    x = 3,751,857,577,476,704.50/68,854,326.71
  6. Step 6: Final answer
    x = 54,489,786.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.