Home / 138,964,828.75-208,447,249.61-95,202,433.87

Finding the Fourth Proportional to 138,964,828.75, 208,447,249.61 and 95,202,433.87

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Solution

The fourth proportional to 138,964,828.75, 208,447,249.61 and 95,202,433.87 is: 142,803,655.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,964,828.75 : 208,447,249.61 = 95,202,433.87 : x
  2. Step 2: Convert to fraction form
    138,964,828.75/208,447,249.61 = 95,202,433.87/x
  3. Step 3: Cross multiply
    138,964,828.75x = 208,447,249.61 × 95,202,433.87
  4. Step 4: Simplify right side
    138,964,828.75x = 19,844,685,496,379,412
  5. Step 5: Solve for x
    x = 19,844,685,496,379,412/138,964,828.75
  6. Step 6: Final answer
    x = 142,803,655.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.