Home / 97,028,002.20-145,542,003.30-48,513,343.80

Finding the Fourth Proportional to 97,028,002.20, 145,542,003.30 and 48,513,343.80

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Solution

The fourth proportional to 97,028,002.20, 145,542,003.30 and 48,513,343.80 is: 72,770,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,028,002.20 : 145,542,003.30 = 48,513,343.80 : x
  2. Step 2: Convert to fraction form
    97,028,002.20/145,542,003.30 = 48,513,343.80/x
  3. Step 3: Cross multiply
    97,028,002.20x = 145,542,003.30 × 48,513,343.80
  4. Step 4: Simplify right side
    97,028,002.20x = 7,060,729,243,433,635
  5. Step 5: Solve for x
    x = 7,060,729,243,433,635/97,028,002.20
  6. Step 6: Final answer
    x = 72,770,015.70

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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.