Home / 70,140,257.91-96,789,379.32-38,776,427.73

Finding the Fourth Proportional to 70,140,257.91, 96,789,379.32 and 38,776,427.73

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Solution

The fourth proportional to 70,140,257.91, 96,789,379.32 and 38,776,427.73 is: 53,509,161.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,140,257.91 : 96,789,379.32 = 38,776,427.73 : x
  2. Step 2: Convert to fraction form
    70,140,257.91/96,789,379.32 = 38,776,427.73/x
  3. Step 3: Cross multiply
    70,140,257.91x = 96,789,379.32 × 38,776,427.73
  4. Step 4: Simplify right side
    70,140,257.91x = 3,753,146,372,233,536
  5. Step 5: Solve for x
    x = 3,753,146,372,233,536/70,140,257.91
  6. Step 6: Final answer
    x = 53,509,161.27

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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.