Home / 209,952,778.80-314,929,168.20-107,916,106.80

Finding the Fourth Proportional to 209,952,778.80, 314,929,168.20 and 107,916,106.80

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Solution

The fourth proportional to 209,952,778.80, 314,929,168.20 and 107,916,106.80 is: 161,874,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,778.80 : 314,929,168.20 = 107,916,106.80 : x
  2. Step 2: Convert to fraction form
    209,952,778.80/314,929,168.20 = 107,916,106.80/x
  3. Step 3: Cross multiply
    209,952,778.80x = 314,929,168.20 × 107,916,106.80
  4. Step 4: Simplify right side
    209,952,778.80x = 33,985,929,749,906,360
  5. Step 5: Solve for x
    x = 33,985,929,749,906,360/209,952,778.80
  6. Step 6: Final answer
    x = 161,874,160.20

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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.