Home / 108,923,998.60-163,385,997.90-97,019,720.20

Finding the Fourth Proportional to 108,923,998.60, 163,385,997.90 and 97,019,720.20

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Solution

The fourth proportional to 108,923,998.60, 163,385,997.90 and 97,019,720.20 is: 145,529,580.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,923,998.60 : 163,385,997.90 = 97,019,720.20 : x
  2. Step 2: Convert to fraction form
    108,923,998.60/163,385,997.90 = 97,019,720.20/x
  3. Step 3: Cross multiply
    108,923,998.60x = 163,385,997.90 × 97,019,720.20
  4. Step 4: Simplify right side
    108,923,998.60x = 15,851,663,800,855,788
  5. Step 5: Solve for x
    x = 15,851,663,800,855,788/108,923,998.60
  6. Step 6: Final answer
    x = 145,529,580.30

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Similar ratio
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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.