Home / 207,344,342.98-311,062,904.39-77,953,074.31

Finding the Fourth Proportional to 207,344,342.98, 311,062,904.39 and 77,953,074.31

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Solution

The fourth proportional to 207,344,342.98, 311,062,904.39 and 77,953,074.31 is: 116,947,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,344,342.98 : 311,062,904.39 = 77,953,074.31 : x
  2. Step 2: Convert to fraction form
    207,344,342.98/311,062,904.39 = 77,953,074.31/x
  3. Step 3: Cross multiply
    207,344,342.98x = 311,062,904.39 × 77,953,074.31
  4. Step 4: Simplify right side
    207,344,342.98x = 24,248,309,700,998,096
  5. Step 5: Solve for x
    x = 24,248,309,700,998,096/207,344,342.98
  6. Step 6: Final answer
    x = 116,947,052.20

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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.