Home / 60,490,865.20-90,736,297.80-20,101,349.20

Finding the Fourth Proportional to 60,490,865.20, 90,736,297.80 and 20,101,349.20

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Solution

The fourth proportional to 60,490,865.20, 90,736,297.80 and 20,101,349.20 is: 30,152,023.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,490,865.20 : 90,736,297.80 = 20,101,349.20 : x
  2. Step 2: Convert to fraction form
    60,490,865.20/90,736,297.80 = 20,101,349.20/x
  3. Step 3: Cross multiply
    60,490,865.20x = 90,736,297.80 × 20,101,349.20
  4. Step 4: Simplify right side
    60,490,865.20x = 1,823,922,007,192,991.75
  5. Step 5: Solve for x
    x = 1,823,922,007,192,991.75/60,490,865.20
  6. Step 6: Final answer
    x = 30,152,023.80

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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.