Home / 97,019,704.70-145,529,557.05-48,505,046.30

Finding the Fourth Proportional to 97,019,704.70, 145,529,557.05 and 48,505,046.30

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Solution

The fourth proportional to 97,019,704.70, 145,529,557.05 and 48,505,046.30 is: 72,757,569.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,019,704.70 : 145,529,557.05 = 48,505,046.30 : x
  2. Step 2: Convert to fraction form
    97,019,704.70/145,529,557.05 = 48,505,046.30/x
  3. Step 3: Cross multiply
    97,019,704.70x = 145,529,557.05 × 48,505,046.30
  4. Step 4: Simplify right side
    97,019,704.70x = 7,058,917,902,728,742
  5. Step 5: Solve for x
    x = 7,058,917,902,728,742/97,019,704.70
  6. Step 6: Final answer
    x = 72,757,569.45

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Double scale
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Similar ratio
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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.