Home / 57,102,447.94-78,801,478.10-30,996,983.46

Finding the Fourth Proportional to 57,102,447.94, 78,801,478.10 and 30,996,983.46

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Solution

The fourth proportional to 57,102,447.94, 78,801,478.10 and 30,996,983.46 is: 42,775,891.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,102,447.94 : 78,801,478.10 = 30,996,983.46 : x
  2. Step 2: Convert to fraction form
    57,102,447.94/78,801,478.10 = 30,996,983.46/x
  3. Step 3: Cross multiply
    57,102,447.94x = 78,801,478.10 × 30,996,983.46
  4. Step 4: Simplify right side
    57,102,447.94x = 2,442,608,113,289,252
  5. Step 5: Solve for x
    x = 2,442,608,113,289,252/57,102,447.94
  6. Step 6: Final answer
    x = 42,775,891.43

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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.