Home / 105,322,310.64-157,926,660.84-47,783,185.20

Finding the Fourth Proportional to 105,322,310.64, 157,926,660.84 and 47,783,185.20

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Solution

The fourth proportional to 105,322,310.64, 157,926,660.84 and 47,783,185.20 is: 71,649,006.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,322,310.64 : 157,926,660.84 = 47,783,185.20 : x
  2. Step 2: Convert to fraction form
    105,322,310.64/157,926,660.84 = 47,783,185.20/x
  3. Step 3: Cross multiply
    105,322,310.64x = 157,926,660.84 × 47,783,185.20
  4. Step 4: Simplify right side
    105,322,310.64x = 7,546,238,882,935,308
  5. Step 5: Solve for x
    x = 7,546,238,882,935,308/105,322,310.64
  6. Step 6: Final answer
    x = 71,649,006.15

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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.