Home / 118,026,028.36-162,887,530.26-71,612,639.56

Finding the Fourth Proportional to 118,026,028.36, 162,887,530.26 and 71,612,639.56

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Solution

The fourth proportional to 118,026,028.36, 162,887,530.26 and 71,612,639.56 is: 98,832,487.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,026,028.36 : 162,887,530.26 = 71,612,639.56 : x
  2. Step 2: Convert to fraction form
    118,026,028.36/162,887,530.26 = 71,612,639.56/x
  3. Step 3: Cross multiply
    118,026,028.36x = 162,887,530.26 × 71,612,639.56
  4. Step 4: Simplify right side
    118,026,028.36x = 11,664,805,993,327,972
  5. Step 5: Solve for x
    x = 11,664,805,993,327,972/118,026,028.36
  6. Step 6: Final answer
    x = 98,832,487.68

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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.