Home / 75,184,495.90-103,760,949.11-42,144,216.86

Finding the Fourth Proportional to 75,184,495.90, 103,760,949.11 and 42,144,216.86

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Solution

The fourth proportional to 75,184,495.90, 103,760,949.11 and 42,144,216.86 is: 58,162,575.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,184,495.90 : 103,760,949.11 = 42,144,216.86 : x
  2. Step 2: Convert to fraction form
    75,184,495.90/103,760,949.11 = 42,144,216.86/x
  3. Step 3: Cross multiply
    75,184,495.90x = 103,760,949.11 × 42,144,216.86
  4. Step 4: Simplify right side
    75,184,495.90x = 4,372,923,940,891,264
  5. Step 5: Solve for x
    x = 4,372,923,940,891,264/75,184,495.90
  6. Step 6: Final answer
    x = 58,162,575.79

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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.