Home / 460,012,106.68-689,615,052.16-172,999,324.60

Finding the Fourth Proportional to 460,012,106.68, 689,615,052.16 and 172,999,324.60

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Solution

The fourth proportional to 460,012,106.68, 689,615,052.16 and 172,999,324.60 is: 259,347,387.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,012,106.68 : 689,615,052.16 = 172,999,324.60 : x
  2. Step 2: Convert to fraction form
    460,012,106.68/689,615,052.16 = 172,999,324.60/x
  3. Step 3: Cross multiply
    460,012,106.68x = 689,615,052.16 × 172,999,324.60
  4. Step 4: Simplify right side
    460,012,106.68x = 119,302,938,257,673,760
  5. Step 5: Solve for x
    x = 119,302,938,257,673,760/460,012,106.68
  6. Step 6: Final answer
    x = 259,347,387.87

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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.