Home / 118,100,083.70-177,150,125.55-69,528,077.30

Finding the Fourth Proportional to 118,100,083.70, 177,150,125.55 and 69,528,077.30

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Solution

The fourth proportional to 118,100,083.70, 177,150,125.55 and 69,528,077.30 is: 104,292,115.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,100,083.70 : 177,150,125.55 = 69,528,077.30 : x
  2. Step 2: Convert to fraction form
    118,100,083.70/177,150,125.55 = 69,528,077.30/x
  3. Step 3: Cross multiply
    118,100,083.70x = 177,150,125.55 × 69,528,077.30
  4. Step 4: Simplify right side
    118,100,083.70x = 12,316,907,622,945,106
  5. Step 5: Solve for x
    x = 12,316,907,622,945,106/118,100,083.70
  6. Step 6: Final answer
    x = 104,292,115.95

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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.