Home / 312,269,561.48-430,934,562.24-173,042,648.30

Finding the Fourth Proportional to 312,269,561.48, 430,934,562.24 and 173,042,648.30

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Solution

The fourth proportional to 312,269,561.48, 430,934,562.24 and 173,042,648.30 is: 238,800,277.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,269,561.48 : 430,934,562.24 = 173,042,648.30 : x
  2. Step 2: Convert to fraction form
    312,269,561.48/430,934,562.24 = 173,042,648.30/x
  3. Step 3: Cross multiply
    312,269,561.48x = 430,934,562.24 × 173,042,648.30
  4. Step 4: Simplify right side
    312,269,561.48x = 74,570,057,894,010,784
  5. Step 5: Solve for x
    x = 74,570,057,894,010,784/312,269,561.48
  6. Step 6: Final answer
    x = 238,800,277.36

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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.