Home / 207,344,322-311,062,872.92-77,953,053.33

Finding the Fourth Proportional to 207,344,322, 311,062,872.92 and 77,953,053.33

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Solution

The fourth proportional to 207,344,322, 311,062,872.92 and 77,953,053.33 is: 116,947,020.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,344,322 : 311,062,872.92 = 77,953,053.33 : x
  2. Step 2: Convert to fraction form
    207,344,322/311,062,872.92 = 77,953,053.33/x
  3. Step 3: Cross multiply
    207,344,322x = 311,062,872.92 × 77,953,053.33
  4. Step 4: Simplify right side
    207,344,322x = 24,248,300,721,326,008
  5. Step 5: Solve for x
    x = 24,248,300,721,326,008/207,344,322
  6. Step 6: Final answer
    x = 116,947,020.72

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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.