Home / 57,102,458.77-78,801,493.07-30,996,994.29

Finding the Fourth Proportional to 57,102,458.77, 78,801,493.07 and 30,996,994.29

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Solution

The fourth proportional to 57,102,458.77, 78,801,493.07 and 30,996,994.29 is: 42,775,906.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,102,458.77 : 78,801,493.07 = 30,996,994.29 : x
  2. Step 2: Convert to fraction form
    57,102,458.77/78,801,493.07 = 30,996,994.29/x
  3. Step 3: Cross multiply
    57,102,458.77x = 78,801,493.07 × 30,996,994.29
  4. Step 4: Simplify right side
    57,102,458.77x = 2,442,609,430,340,257
  5. Step 5: Solve for x
    x = 2,442,609,430,340,257/57,102,458.77
  6. Step 6: Final answer
    x = 42,775,906.38

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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.