Home / 268,100,965.20-402,151,447.80-166,064,293.20

Finding the Fourth Proportional to 268,100,965.20, 402,151,447.80 and 166,064,293.20

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Solution

The fourth proportional to 268,100,965.20, 402,151,447.80 and 166,064,293.20 is: 249,096,439.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,100,965.20 : 402,151,447.80 = 166,064,293.20 : x
  2. Step 2: Convert to fraction form
    268,100,965.20/402,151,447.80 = 166,064,293.20/x
  3. Step 3: Cross multiply
    268,100,965.20x = 402,151,447.80 × 166,064,293.20
  4. Step 4: Simplify right side
    268,100,965.20x = 66,782,995,938,263,696
  5. Step 5: Solve for x
    x = 66,782,995,938,263,696/268,100,965.20
  6. Step 6: Final answer
    x = 249,096,439.80

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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.