Home / 90,796,003.60-136,194,005.40-82,435,248.40

Finding the Fourth Proportional to 90,796,003.60, 136,194,005.40 and 82,435,248.40

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Solution

The fourth proportional to 90,796,003.60, 136,194,005.40 and 82,435,248.40 is: 123,652,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,796,003.60 : 136,194,005.40 = 82,435,248.40 : x
  2. Step 2: Convert to fraction form
    90,796,003.60/136,194,005.40 = 82,435,248.40/x
  3. Step 3: Cross multiply
    90,796,003.60x = 136,194,005.40 × 82,435,248.40
  4. Step 4: Simplify right side
    90,796,003.60x = 11,227,186,665,739,942
  5. Step 5: Solve for x
    x = 11,227,186,665,739,942/90,796,003.60
  6. Step 6: Final answer
    x = 123,652,872.60

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1.5x scale

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.