Home / 236,631,147.11-354,953,951.75-81,182,774.57

Finding the Fourth Proportional to 236,631,147.11, 354,953,951.75 and 81,182,774.57

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Solution

The fourth proportional to 236,631,147.11, 354,953,951.75 and 81,182,774.57 is: 121,776,642.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,631,147.11 : 354,953,951.75 = 81,182,774.57 : x
  2. Step 2: Convert to fraction form
    236,631,147.11/354,953,951.75 = 81,182,774.57/x
  3. Step 3: Cross multiply
    236,631,147.11x = 354,953,951.75 × 81,182,774.57
  4. Step 4: Simplify right side
    236,631,147.11x = 28,816,146,647,244,992
  5. Step 5: Solve for x
    x = 28,816,146,647,244,992/236,631,147.11
  6. Step 6: Final answer
    x = 121,776,642.68

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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.