Home / 217,243,559.40-326,243,252.70-115,206,887.40

Finding the Fourth Proportional to 217,243,559.40, 326,243,252.70 and 115,206,887.40

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Solution

The fourth proportional to 217,243,559.40, 326,243,252.70 and 115,206,887.40 is: 173,010,743.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,243,559.40 : 326,243,252.70 = 115,206,887.40 : x
  2. Step 2: Convert to fraction form
    217,243,559.40/326,243,252.70 = 115,206,887.40/x
  3. Step 3: Cross multiply
    217,243,559.40x = 326,243,252.70 × 115,206,887.40
  4. Step 4: Simplify right side
    217,243,559.40x = 37,585,469,678,818,648
  5. Step 5: Solve for x
    x = 37,585,469,678,818,648/217,243,559.40
  6. Step 6: Final answer
    x = 173,010,743.25

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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.