Home / 75,212,214.78-103,814,379.75-44,290,320.20

Finding the Fourth Proportional to 75,212,214.78, 103,814,379.75 and 44,290,320.20

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Solution

The fourth proportional to 75,212,214.78, 103,814,379.75 and 44,290,320.20 is: 61,133,316.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,212,214.78 : 103,814,379.75 = 44,290,320.20 : x
  2. Step 2: Convert to fraction form
    75,212,214.78/103,814,379.75 = 44,290,320.20/x
  3. Step 3: Cross multiply
    75,212,214.78x = 103,814,379.75 × 44,290,320.20
  4. Step 4: Simplify right side
    75,212,214.78x = 4,597,972,120,491,896
  5. Step 5: Solve for x
    x = 4,597,972,120,491,896/75,212,214.78
  6. Step 6: Final answer
    x = 61,133,316.36

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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.