Home / 56,667,935.73-78,195,721.69-31,887,690.74

Finding the Fourth Proportional to 56,667,935.73, 78,195,721.69 and 31,887,690.74

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Solution

The fourth proportional to 56,667,935.73, 78,195,721.69 and 31,887,690.74 is: 44,001,620.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,667,935.73 : 78,195,721.69 = 31,887,690.74 : x
  2. Step 2: Convert to fraction form
    56,667,935.73/78,195,721.69 = 31,887,690.74/x
  3. Step 3: Cross multiply
    56,667,935.73x = 78,195,721.69 × 31,887,690.74
  4. Step 4: Simplify right side
    56,667,935.73x = 2,493,480,990,557,600
  5. Step 5: Solve for x
    x = 2,493,480,990,557,600/56,667,935.73
  6. Step 6: Final answer
    x = 44,001,620.29

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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.