Home / 165,945,221.90-248,917,832.85-149,505,980.30

Finding the Fourth Proportional to 165,945,221.90, 248,917,832.85 and 149,505,980.30

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Solution

The fourth proportional to 165,945,221.90, 248,917,832.85 and 149,505,980.30 is: 224,258,970.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,945,221.90 : 248,917,832.85 = 149,505,980.30 : x
  2. Step 2: Convert to fraction form
    165,945,221.90/248,917,832.85 = 149,505,980.30/x
  3. Step 3: Cross multiply
    165,945,221.90x = 248,917,832.85 × 149,505,980.30
  4. Step 4: Simplify right side
    165,945,221.90x = 37,214,704,614,390,792
  5. Step 5: Solve for x
    x = 37,214,704,614,390,792/165,945,221.90
  6. Step 6: Final answer
    x = 224,258,970.45

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1.5x scale

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.