Home / 460,012,100.67-689,615,043.17-172,999,318.59

Finding the Fourth Proportional to 460,012,100.67, 689,615,043.17 and 172,999,318.59

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Solution

The fourth proportional to 460,012,100.67, 689,615,043.17 and 172,999,318.59 is: 259,347,378.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,012,100.67 : 689,615,043.17 = 172,999,318.59 : x
  2. Step 2: Convert to fraction form
    460,012,100.67/689,615,043.17 = 172,999,318.59/x
  3. Step 3: Cross multiply
    460,012,100.67x = 689,615,043.17 × 172,999,318.59
  4. Step 4: Simplify right side
    460,012,100.67x = 119,302,932,556,958,432
  5. Step 5: Solve for x
    x = 119,302,932,556,958,432/460,012,100.67
  6. Step 6: Final answer
    x = 259,347,378.87

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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.