Home / 57,016,027.43-78,747,071.61-38,649,426.47

Finding the Fourth Proportional to 57,016,027.43, 78,747,071.61 and 38,649,426.47

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Solution

The fourth proportional to 57,016,027.43, 78,747,071.61 and 38,649,426.47 is: 53,380,238.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,016,027.43 : 78,747,071.61 = 38,649,426.47 : x
  2. Step 2: Convert to fraction form
    57,016,027.43/78,747,071.61 = 38,649,426.47/x
  3. Step 3: Cross multiply
    57,016,027.43x = 78,747,071.61 × 38,649,426.47
  4. Step 4: Simplify right side
    57,016,027.43x = 3,043,529,153,918,519.50
  5. Step 5: Solve for x
    x = 3,043,529,153,918,519.50/57,016,027.43
  6. Step 6: Final answer
    x = 53,380,238.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.