Home / 72,233,423,998.40-108,350,135,997.60-47,128,576,311.20

Finding the Fourth Proportional to 72,233,423,998.40, 108,350,135,997.60 and 47,128,576,311.20

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Solution

The fourth proportional to 72,233,423,998.40, 108,350,135,997.60 and 47,128,576,311.20 is: 70,692,864,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,233,423,998.40 : 108,350,135,997.60 = 47,128,576,311.20 : x
  2. Step 2: Convert to fraction form
    72,233,423,998.40/108,350,135,997.60 = 47,128,576,311.20/x
  3. Step 3: Cross multiply
    72,233,423,998.40x = 108,350,135,997.60 × 47,128,576,311.20
  4. Step 4: Simplify right side
    72,233,423,998.40x = 5,106,387,652,691,789,611,008
  5. Step 5: Solve for x
    x = 5,106,387,652,691,789,611,008/72,233,423,998.40
  6. Step 6: Final answer
    x = 70,692,864,466.80

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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.