Home / 72,022,703.28-108,033,894.60-55,651,792.45

Finding the Fourth Proportional to 72,022,703.28, 108,033,894.60 and 55,651,792.45

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Solution

The fourth proportional to 72,022,703.28, 108,033,894.60 and 55,651,792.45 is: 83,477,564.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,022,703.28 : 108,033,894.60 = 55,651,792.45 : x
  2. Step 2: Convert to fraction form
    72,022,703.28/108,033,894.60 = 55,651,792.45/x
  3. Step 3: Cross multiply
    72,022,703.28x = 108,033,894.60 × 55,651,792.45
  4. Step 4: Simplify right side
    72,022,703.28x = 6,012,279,879,568,161
  5. Step 5: Solve for x
    x = 6,012,279,879,568,161/72,022,703.28
  6. Step 6: Final answer
    x = 83,477,564.79

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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.