Home / 115,293,480.80-172,940,221.20-110,317,618.40

Finding the Fourth Proportional to 115,293,480.80, 172,940,221.20 and 110,317,618.40

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Solution

The fourth proportional to 115,293,480.80, 172,940,221.20 and 110,317,618.40 is: 165,476,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,293,480.80 : 172,940,221.20 = 110,317,618.40 : x
  2. Step 2: Convert to fraction form
    115,293,480.80/172,940,221.20 = 110,317,618.40/x
  3. Step 3: Cross multiply
    115,293,480.80x = 172,940,221.20 × 110,317,618.40
  4. Step 4: Simplify right side
    115,293,480.80x = 19,078,353,328,353,188
  5. Step 5: Solve for x
    x = 19,078,353,328,353,188/115,293,480.80
  6. Step 6: Final answer
    x = 165,476,427.60

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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.