Home / 115,830,845.27-159,856,424.40-65,603,998.24

Finding the Fourth Proportional to 115,830,845.27, 159,856,424.40 and 65,603,998.24

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Solution

The fourth proportional to 115,830,845.27, 159,856,424.40 and 65,603,998.24 is: 90,539,100.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,830,845.27 : 159,856,424.40 = 65,603,998.24 : x
  2. Step 2: Convert to fraction form
    115,830,845.27/159,856,424.40 = 65,603,998.24/x
  3. Step 3: Cross multiply
    115,830,845.27x = 159,856,424.40 × 65,603,998.24
  4. Step 4: Simplify right side
    115,830,845.27x = 10,487,220,584,836,010
  5. Step 5: Solve for x
    x = 10,487,220,584,836,010/115,830,845.27
  6. Step 6: Final answer
    x = 90,539,100.88

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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.