Home / 81,575,135.12-122,317,977.96-32,341,112.48

Finding the Fourth Proportional to 81,575,135.12, 122,317,977.96 and 32,341,112.48

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Solution

The fourth proportional to 81,575,135.12, 122,317,977.96 and 32,341,112.48 is: 48,493,937.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,575,135.12 : 122,317,977.96 = 32,341,112.48 : x
  2. Step 2: Convert to fraction form
    81,575,135.12/122,317,977.96 = 32,341,112.48/x
  3. Step 3: Cross multiply
    81,575,135.12x = 122,317,977.96 × 32,341,112.48
  4. Step 4: Simplify right side
    81,575,135.12x = 3,955,899,483,530,521
  5. Step 5: Solve for x
    x = 3,955,899,483,530,521/81,575,135.12
  6. Step 6: Final answer
    x = 48,493,937.25

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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.