Home / 122,181,445.80-183,272,168.70-108,789,132.60

Finding the Fourth Proportional to 122,181,445.80, 183,272,168.70 and 108,789,132.60

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Solution

The fourth proportional to 122,181,445.80, 183,272,168.70 and 108,789,132.60 is: 163,183,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,181,445.80 : 183,272,168.70 = 108,789,132.60 : x
  2. Step 2: Convert to fraction form
    122,181,445.80/183,272,168.70 = 108,789,132.60/x
  3. Step 3: Cross multiply
    122,181,445.80x = 183,272,168.70 × 108,789,132.60
  4. Step 4: Simplify right side
    122,181,445.80x = 19,938,020,262,593,868
  5. Step 5: Solve for x
    x = 19,938,020,262,593,868/122,181,445.80
  6. Step 6: Final answer
    x = 163,183,698.90

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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.