Home / 57,542,816.56-86,326,666.44-30,612,558.64

Finding the Fourth Proportional to 57,542,816.56, 86,326,666.44 and 30,612,558.64

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Solution

The fourth proportional to 57,542,816.56, 86,326,666.44 and 30,612,558.64 is: 45,925,456.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,542,816.56 : 86,326,666.44 = 30,612,558.64 : x
  2. Step 2: Convert to fraction form
    57,542,816.56/86,326,666.44 = 30,612,558.64/x
  3. Step 3: Cross multiply
    57,542,816.56x = 86,326,666.44 × 30,612,558.64
  4. Step 4: Simplify right side
    57,542,816.56x = 2,642,680,138,590,220
  5. Step 5: Solve for x
    x = 2,642,680,138,590,220/57,542,816.56
  6. Step 6: Final answer
    x = 45,925,456.84

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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.