Home / 57,016,026.43-78,747,070.23-38,649,425.47

Finding the Fourth Proportional to 57,016,026.43, 78,747,070.23 and 38,649,425.47

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Solution

The fourth proportional to 57,016,026.43, 78,747,070.23 and 38,649,425.47 is: 53,380,237.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,016,026.43 : 78,747,070.23 = 38,649,425.47 : x
  2. Step 2: Convert to fraction form
    57,016,026.43/78,747,070.23 = 38,649,425.47/x
  3. Step 3: Cross multiply
    57,016,026.43x = 78,747,070.23 × 38,649,425.47
  4. Step 4: Simplify right side
    57,016,026.43x = 3,043,529,021,529,652
  5. Step 5: Solve for x
    x = 3,043,529,021,529,652/57,016,026.43
  6. Step 6: Final answer
    x = 53,380,237.32

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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.