Home / 53,891,047.20-80,843,293.53-21,097,380.05

Finding the Fourth Proportional to 53,891,047.20, 80,843,293.53 and 21,097,380.05

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Solution

The fourth proportional to 53,891,047.20, 80,843,293.53 and 21,097,380.05 is: 31,648,701.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,891,047.20 : 80,843,293.53 = 21,097,380.05 : x
  2. Step 2: Convert to fraction form
    53,891,047.20/80,843,293.53 = 21,097,380.05/x
  3. Step 3: Cross multiply
    53,891,047.20x = 80,843,293.53 × 21,097,380.05
  4. Step 4: Simplify right side
    53,891,047.20x = 1,705,581,687,990,629.25
  5. Step 5: Solve for x
    x = 1,705,581,687,990,629.25/53,891,047.20
  6. Step 6: Final answer
    x = 31,648,701.90

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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.