Home / 48,513,900.80-72,770,851.20-47,876,171.60

Finding the Fourth Proportional to 48,513,900.80, 72,770,851.20 and 47,876,171.60

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Solution

The fourth proportional to 48,513,900.80, 72,770,851.20 and 47,876,171.60 is: 71,814,257.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,513,900.80 : 72,770,851.20 = 47,876,171.60 : x
  2. Step 2: Convert to fraction form
    48,513,900.80/72,770,851.20 = 47,876,171.60/x
  3. Step 3: Cross multiply
    48,513,900.80x = 72,770,851.20 × 47,876,171.60
  4. Step 4: Simplify right side
    48,513,900.80x = 3,483,989,759,529,266
  5. Step 5: Solve for x
    x = 3,483,989,759,529,266/48,513,900.80
  6. Step 6: Final answer
    x = 71,814,257.40

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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.