Home / 207,263,539.11-311,002,906.34-84,531,898.47

Finding the Fourth Proportional to 207,263,539.11, 311,002,906.34 and 84,531,898.47

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Solution

The fourth proportional to 207,263,539.11, 311,002,906.34 and 84,531,898.47 is: 126,841,731.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,263,539.11 : 311,002,906.34 = 84,531,898.47 : x
  2. Step 2: Convert to fraction form
    207,263,539.11/311,002,906.34 = 84,531,898.47/x
  3. Step 3: Cross multiply
    207,263,539.11x = 311,002,906.34 × 84,531,898.47
  4. Step 4: Simplify right side
    207,263,539.11x = 26,289,666,102,607,796
  5. Step 5: Solve for x
    x = 26,289,666,102,607,796/207,263,539.11
  6. Step 6: Final answer
    x = 126,841,731.14

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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.