Home / 68,854,335.46-95,015,266.70-39,486,905.80

Finding the Fourth Proportional to 68,854,335.46, 95,015,266.70 and 39,486,905.80

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Solution

The fourth proportional to 68,854,335.46, 95,015,266.70 and 39,486,905.80 is: 54,489,798.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,854,335.46 : 95,015,266.70 = 39,486,905.80 : x
  2. Step 2: Convert to fraction form
    68,854,335.46/95,015,266.70 = 39,486,905.80/x
  3. Step 3: Cross multiply
    68,854,335.46x = 95,015,266.70 × 39,486,905.80
  4. Step 4: Simplify right side
    68,854,335.46x = 3,751,858,885,744,776.50
  5. Step 5: Solve for x
    x = 3,751,858,885,744,776.50/68,854,335.46
  6. Step 6: Final answer
    x = 54,489,798.80

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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.