Home / 207,828,556.90-311,770,828.95-71,555,712.10

Finding the Fourth Proportional to 207,828,556.90, 311,770,828.95 and 71,555,712.10

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Solution

The fourth proportional to 207,828,556.90, 311,770,828.95 and 71,555,712.10 is: 107,343,206.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,828,556.90 : 311,770,828.95 = 71,555,712.10 : x
  2. Step 2: Convert to fraction form
    207,828,556.90/311,770,828.95 = 71,555,712.10/x
  3. Step 3: Cross multiply
    207,828,556.90x = 311,770,828.95 × 71,555,712.10
  4. Step 4: Simplify right side
    207,828,556.90x = 22,308,983,677,524,544
  5. Step 5: Solve for x
    x = 22,308,983,677,524,544/207,828,556.90
  6. Step 6: Final answer
    x = 107,343,206.39

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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.