Home / 207,494,376,989.32-311,248,455,287.82-71,355,165,915.88

Finding the Fourth Proportional to 207,494,376,989.32, 311,248,455,287.82 and 71,355,165,915.88

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Solution

The fourth proportional to 207,494,376,989.32, 311,248,455,287.82 and 71,355,165,915.88 is: 107,035,118,205.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,494,376,989.32 : 311,248,455,287.82 = 71,355,165,915.88 : x
  2. Step 2: Convert to fraction form
    207,494,376,989.32/311,248,455,287.82 = 71,355,165,915.88/x
  3. Step 3: Cross multiply
    207,494,376,989.32x = 311,248,455,287.82 × 71,355,165,915.88
  4. Step 4: Simplify right side
    207,494,376,989.32x = 22,209,185,168,123,754,446,848
  5. Step 5: Solve for x
    x = 22,209,185,168,123,754,446,848/207,494,376,989.32
  6. Step 6: Final answer
    x = 107,035,118,205.96

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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.