Home / 60,522,390.80-90,791,880.60-20,128,662.80

Finding the Fourth Proportional to 60,522,390.80, 90,791,880.60 and 20,128,662.80

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Solution

The fourth proportional to 60,522,390.80, 90,791,880.60 and 20,128,662.80 is: 30,195,752.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,522,390.80 : 90,791,880.60 = 20,128,662.80 : x
  2. Step 2: Convert to fraction form
    60,522,390.80/90,791,880.60 = 20,128,662.80/x
  3. Step 3: Cross multiply
    60,522,390.80x = 90,791,880.60 × 20,128,662.80
  4. Step 4: Simplify right side
    60,522,390.80x = 1,827,519,149,575,261.75
  5. Step 5: Solve for x
    x = 1,827,519,149,575,261.75/60,522,390.80
  6. Step 6: Final answer
    x = 30,195,752.77

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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.