Home / 57,113,062.07-78,889,958.05-47,229,865.70

Finding the Fourth Proportional to 57,113,062.07, 78,889,958.05 and 47,229,865.70

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Solution

The fourth proportional to 57,113,062.07, 78,889,958.05 and 47,229,865.70 is: 65,238,353.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,113,062.07 : 78,889,958.05 = 47,229,865.70 : x
  2. Step 2: Convert to fraction form
    57,113,062.07/78,889,958.05 = 47,229,865.70/x
  3. Step 3: Cross multiply
    57,113,062.07x = 78,889,958.05 × 47,229,865.70
  4. Step 4: Simplify right side
    57,113,062.07x = 3,725,962,123,780,134
  5. Step 5: Solve for x
    x = 3,725,962,123,780,134/57,113,062.07
  6. Step 6: Final answer
    x = 65,238,353.34

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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.