Home / 57,102,470.05-78,801,508.62-30,997,005.56

Finding the Fourth Proportional to 57,102,470.05, 78,801,508.62 and 30,997,005.56

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Solution

The fourth proportional to 57,102,470.05, 78,801,508.62 and 30,997,005.56 is: 42,775,921.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,102,470.05 : 78,801,508.62 = 30,997,005.56 : x
  2. Step 2: Convert to fraction form
    57,102,470.05/78,801,508.62 = 30,997,005.56/x
  3. Step 3: Cross multiply
    57,102,470.05x = 78,801,508.62 × 30,997,005.56
  4. Step 4: Simplify right side
    57,102,470.05x = 2,442,610,800,830,528
  5. Step 5: Solve for x
    x = 2,442,610,800,830,528/57,102,470.05
  6. Step 6: Final answer
    x = 42,775,921.93

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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.