Home / 97,019,720.20-145,529,580.30-48,505,061.80

Finding the Fourth Proportional to 97,019,720.20, 145,529,580.30 and 48,505,061.80

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Solution

The fourth proportional to 97,019,720.20, 145,529,580.30 and 48,505,061.80 is: 72,757,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,019,720.20 : 145,529,580.30 = 48,505,061.80 : x
  2. Step 2: Convert to fraction form
    97,019,720.20/145,529,580.30 = 48,505,061.80/x
  3. Step 3: Cross multiply
    97,019,720.20x = 145,529,580.30 × 48,505,061.80
  4. Step 4: Simplify right side
    97,019,720.20x = 7,058,921,286,179,563
  5. Step 5: Solve for x
    x = 7,058,921,286,179,563/97,019,720.20
  6. Step 6: Final answer
    x = 72,757,592.70

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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.