Home / 421,206,961.80-581,295,047.22-235,585,132.68

Finding the Fourth Proportional to 421,206,961.80, 581,295,047.22 and 235,585,132.68

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Solution

The fourth proportional to 421,206,961.80, 581,295,047.22 and 235,585,132.68 is: 325,123,949.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,206,961.80 : 581,295,047.22 = 235,585,132.68 : x
  2. Step 2: Convert to fraction form
    421,206,961.80/581,295,047.22 = 235,585,132.68/x
  3. Step 3: Cross multiply
    421,206,961.80x = 581,295,047.22 × 235,585,132.68
  4. Step 4: Simplify right side
    421,206,961.80x = 136,944,470,825,550,576
  5. Step 5: Solve for x
    x = 136,944,470,825,550,576/421,206,961.80
  6. Step 6: Final answer
    x = 325,123,949.14

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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.