Home / 115,917,687.20-173,876,530.80-75,606,903.20

Finding the Fourth Proportional to 115,917,687.20, 173,876,530.80 and 75,606,903.20

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Solution

The fourth proportional to 115,917,687.20, 173,876,530.80 and 75,606,903.20 is: 113,410,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,917,687.20 : 173,876,530.80 = 75,606,903.20 : x
  2. Step 2: Convert to fraction form
    115,917,687.20/173,876,530.80 = 75,606,903.20/x
  3. Step 3: Cross multiply
    115,917,687.20x = 173,876,530.80 × 75,606,903.20
  4. Step 4: Simplify right side
    115,917,687.20x = 13,146,266,032,947,420
  5. Step 5: Solve for x
    x = 13,146,266,032,947,420/115,917,687.20
  6. Step 6: Final answer
    x = 113,410,354.80

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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.