Home / 207,360,809.20-311,041,213.80-196,275,343.60

Finding the Fourth Proportional to 207,360,809.20, 311,041,213.80 and 196,275,343.60

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Solution

The fourth proportional to 207,360,809.20, 311,041,213.80 and 196,275,343.60 is: 294,413,015.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,360,809.20 : 311,041,213.80 = 196,275,343.60 : x
  2. Step 2: Convert to fraction form
    207,360,809.20/311,041,213.80 = 196,275,343.60/x
  3. Step 3: Cross multiply
    207,360,809.20x = 311,041,213.80 × 196,275,343.60
  4. Step 4: Simplify right side
    207,360,809.20x = 61,049,721,112,356,064
  5. Step 5: Solve for x
    x = 61,049,721,112,356,064/207,360,809.20
  6. Step 6: Final answer
    x = 294,413,015.40

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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.