Home / 47,827,216.80-71,740,825.20-31,387,975.20

Finding the Fourth Proportional to 47,827,216.80, 71,740,825.20 and 31,387,975.20

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Solution

The fourth proportional to 47,827,216.80, 71,740,825.20 and 31,387,975.20 is: 47,081,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,827,216.80 : 71,740,825.20 = 31,387,975.20 : x
  2. Step 2: Convert to fraction form
    47,827,216.80/71,740,825.20 = 31,387,975.20/x
  3. Step 3: Cross multiply
    47,827,216.80x = 71,740,825.20 × 31,387,975.20
  4. Step 4: Simplify right side
    47,827,216.80x = 2,251,799,242,205,135
  5. Step 5: Solve for x
    x = 2,251,799,242,205,135/47,827,216.80
  6. Step 6: Final answer
    x = 47,081,962.80

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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.