Home / 94,787,999.20-142,181,998.80-53,831,612.80

Finding the Fourth Proportional to 94,787,999.20, 142,181,998.80 and 53,831,612.80

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Solution

The fourth proportional to 94,787,999.20, 142,181,998.80 and 53,831,612.80 is: 80,747,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,787,999.20 : 142,181,998.80 = 53,831,612.80 : x
  2. Step 2: Convert to fraction form
    94,787,999.20/142,181,998.80 = 53,831,612.80/x
  3. Step 3: Cross multiply
    94,787,999.20x = 142,181,998.80 × 53,831,612.80
  4. Step 4: Simplify right side
    94,787,999.20x = 7,653,886,306,531,665
  5. Step 5: Solve for x
    x = 7,653,886,306,531,665/94,787,999.20
  6. Step 6: Final answer
    x = 80,747,419.20

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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.