Home / 54,128,315.80-81,192,473.70-43,924,648.60

Finding the Fourth Proportional to 54,128,315.80, 81,192,473.70 and 43,924,648.60

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Solution

The fourth proportional to 54,128,315.80, 81,192,473.70 and 43,924,648.60 is: 65,886,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128,315.80 : 81,192,473.70 = 43,924,648.60 : x
  2. Step 2: Convert to fraction form
    54,128,315.80/81,192,473.70 = 43,924,648.60/x
  3. Step 3: Cross multiply
    54,128,315.80x = 81,192,473.70 × 43,924,648.60
  4. Step 4: Simplify right side
    54,128,315.80x = 3,566,350,876,237,242
  5. Step 5: Solve for x
    x = 3,566,350,876,237,242/54,128,315.80
  6. Step 6: Final answer
    x = 65,886,972.90

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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.