Home / 144,581,553.80-217,040,292.30-87,138,686.60

Finding the Fourth Proportional to 144,581,553.80, 217,040,292.30 and 87,138,686.60

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Solution

The fourth proportional to 144,581,553.80, 217,040,292.30 and 87,138,686.60 is: 130,809,259.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,581,553.80 : 217,040,292.30 = 87,138,686.60 : x
  2. Step 2: Convert to fraction form
    144,581,553.80/217,040,292.30 = 87,138,686.60/x
  3. Step 3: Cross multiply
    144,581,553.80x = 217,040,292.30 × 87,138,686.60
  4. Step 4: Simplify right side
    144,581,553.80x = 18,912,606,010,302,092
  5. Step 5: Solve for x
    x = 18,912,606,010,302,092/144,581,553.80
  6. Step 6: Final answer
    x = 130,809,259.64

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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.