Home / 57,238,485.61-78,981,936.03-38,693,974.63

Finding the Fourth Proportional to 57,238,485.61, 78,981,936.03 and 38,693,974.63

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Solution

The fourth proportional to 57,238,485.61, 78,981,936.03 and 38,693,974.63 is: 53,392,835.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,238,485.61 : 78,981,936.03 = 38,693,974.63 : x
  2. Step 2: Convert to fraction form
    57,238,485.61/78,981,936.03 = 38,693,974.63/x
  3. Step 3: Cross multiply
    57,238,485.61x = 78,981,936.03 × 38,693,974.63
  4. Step 4: Simplify right side
    57,238,485.61x = 3,056,125,028,973,103
  5. Step 5: Solve for x
    x = 3,056,125,028,973,103/57,238,485.61
  6. Step 6: Final answer
    x = 53,392,835.19

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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.