Home / 97,019,687.20-145,529,530.80-48,505,028.80

Finding the Fourth Proportional to 97,019,687.20, 145,529,530.80 and 48,505,028.80

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Solution

The fourth proportional to 97,019,687.20, 145,529,530.80 and 48,505,028.80 is: 72,757,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,019,687.20 : 145,529,530.80 = 48,505,028.80 : x
  2. Step 2: Convert to fraction form
    97,019,687.20/145,529,530.80 = 48,505,028.80/x
  3. Step 3: Cross multiply
    97,019,687.20x = 145,529,530.80 × 48,505,028.80
  4. Step 4: Simplify right side
    97,019,687.20x = 7,058,914,082,704,487
  5. Step 5: Solve for x
    x = 7,058,914,082,704,487/97,019,687.20
  6. Step 6: Final answer
    x = 72,757,543.20

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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.