Home / 60,505,879.30-90,767,113.35-20,112,151.30

Finding the Fourth Proportional to 60,505,879.30, 90,767,113.35 and 20,112,151.30

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Solution

The fourth proportional to 60,505,879.30, 90,767,113.35 and 20,112,151.30 is: 30,170,984.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,505,879.30 : 90,767,113.35 = 20,112,151.30 : x
  2. Step 2: Convert to fraction form
    60,505,879.30/90,767,113.35 = 20,112,151.30/x
  3. Step 3: Cross multiply
    60,505,879.30x = 90,767,113.35 × 20,112,151.30
  4. Step 4: Simplify right side
    60,505,879.30x = 1,825,521,916,759,449.75
  5. Step 5: Solve for x
    x = 1,825,521,916,759,449.75/60,505,879.30
  6. Step 6: Final answer
    x = 30,170,984.01

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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.