Home / 75,540,627.12-104,246,070.48-42,945,579.12

Finding the Fourth Proportional to 75,540,627.12, 104,246,070.48 and 42,945,579.12

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Solution

The fourth proportional to 75,540,627.12, 104,246,070.48 and 42,945,579.12 is: 59,264,902.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,540,627.12 : 104,246,070.48 = 42,945,579.12 : x
  2. Step 2: Convert to fraction form
    75,540,627.12/104,246,070.48 = 42,945,579.12/x
  3. Step 3: Cross multiply
    75,540,627.12x = 104,246,070.48 × 42,945,579.12
  4. Step 4: Simplify right side
    75,540,627.12x = 4,476,907,867,747,936.50
  5. Step 5: Solve for x
    x = 4,476,907,867,747,936.50/75,540,627.12
  6. Step 6: Final answer
    x = 59,264,902.06

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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.