Home / 98,664,993.76-136,154,218.74-54,612,077.80

Finding the Fourth Proportional to 98,664,993.76, 136,154,218.74 and 54,612,077.80

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Solution

The fourth proportional to 98,664,993.76, 136,154,218.74 and 54,612,077.80 is: 75,362,745.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,664,993.76 : 136,154,218.74 = 54,612,077.80 : x
  2. Step 2: Convert to fraction form
    98,664,993.76/136,154,218.74 = 54,612,077.80/x
  3. Step 3: Cross multiply
    98,664,993.76x = 136,154,218.74 × 54,612,077.80
  4. Step 4: Simplify right side
    98,664,993.76x = 7,435,664,786,627,098
  5. Step 5: Solve for x
    x = 7,435,664,786,627,098/98,664,993.76
  6. Step 6: Final answer
    x = 75,362,745.22

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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.