Home / 207,360,133.60-311,040,200.40-116,486,687.20

Finding the Fourth Proportional to 207,360,133.60, 311,040,200.40 and 116,486,687.20

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Solution

The fourth proportional to 207,360,133.60, 311,040,200.40 and 116,486,687.20 is: 174,730,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,360,133.60 : 311,040,200.40 = 116,486,687.20 : x
  2. Step 2: Convert to fraction form
    207,360,133.60/311,040,200.40 = 116,486,687.20/x
  3. Step 3: Cross multiply
    207,360,133.60x = 311,040,200.40 × 116,486,687.20
  4. Step 4: Simplify right side
    207,360,133.60x = 36,232,042,530,620,112
  5. Step 5: Solve for x
    x = 36,232,042,530,620,112/207,360,133.60
  6. Step 6: Final answer
    x = 174,730,030.80

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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.