Home / 57,102,440.76-78,801,468.30-30,996,976.32

Finding the Fourth Proportional to 57,102,440.76, 78,801,468.30 and 30,996,976.32

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Solution

The fourth proportional to 57,102,440.76, 78,801,468.30 and 30,996,976.32 is: 42,775,881.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,102,440.76 : 78,801,468.30 = 30,996,976.32 : x
  2. Step 2: Convert to fraction form
    57,102,440.76/78,801,468.30 = 30,996,976.32/x
  3. Step 3: Cross multiply
    57,102,440.76x = 78,801,468.30 × 30,996,976.32
  4. Step 4: Simplify right side
    57,102,440.76x = 2,442,607,246,876,330.50
  5. Step 5: Solve for x
    x = 2,442,607,246,876,330.50/57,102,440.76
  6. Step 6: Final answer
    x = 42,775,881.63

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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.