Home / 140,010,010.70-209,952,030.45-53,719,738.70

Finding the Fourth Proportional to 140,010,010.70, 209,952,030.45 and 53,719,738.70

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Solution

The fourth proportional to 140,010,010.70, 209,952,030.45 and 53,719,738.70 is: 80,555,441.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,010,010.70 : 209,952,030.45 = 53,719,738.70 : x
  2. Step 2: Convert to fraction form
    140,010,010.70/209,952,030.45 = 53,719,738.70/x
  3. Step 3: Cross multiply
    140,010,010.70x = 209,952,030.45 × 53,719,738.70
  4. Step 4: Simplify right side
    140,010,010.70x = 11,278,568,215,308,444
  5. Step 5: Solve for x
    x = 11,278,568,215,308,444/140,010,010.70
  6. Step 6: Final answer
    x = 80,555,441.42

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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.