Home / 68,335,893.80-102,528,723.90-27,975,343.40

Finding the Fourth Proportional to 68,335,893.80, 102,528,723.90 and 27,975,343.40

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Solution

The fourth proportional to 68,335,893.80, 102,528,723.90 and 27,975,343.40 is: 41,973,201.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,335,893.80 : 102,528,723.90 = 27,975,343.40 : x
  2. Step 2: Convert to fraction form
    68,335,893.80/102,528,723.90 = 27,975,343.40/x
  3. Step 3: Cross multiply
    68,335,893.80x = 102,528,723.90 × 27,975,343.40
  4. Step 4: Simplify right side
    68,335,893.80x = 2,868,276,259,466,287.50
  5. Step 5: Solve for x
    x = 2,868,276,259,466,287.50/68,335,893.80
  6. Step 6: Final answer
    x = 41,973,201.78

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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.