Home / 207,263,519.46-311,002,876.87-84,531,878.82

Finding the Fourth Proportional to 207,263,519.46, 311,002,876.87 and 84,531,878.82

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Solution

The fourth proportional to 207,263,519.46, 311,002,876.87 and 84,531,878.82 is: 126,841,701.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,263,519.46 : 311,002,876.87 = 84,531,878.82 : x
  2. Step 2: Convert to fraction form
    207,263,519.46/311,002,876.87 = 84,531,878.82/x
  3. Step 3: Cross multiply
    207,263,519.46x = 311,002,876.87 × 84,531,878.82
  4. Step 4: Simplify right side
    207,263,519.46x = 26,289,657,500,034,888
  5. Step 5: Solve for x
    x = 26,289,657,500,034,888/207,263,519.46
  6. Step 6: Final answer
    x = 126,841,701.66

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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.