Home / 107,838,416.20-161,757,624.30-53,978,729.80

Finding the Fourth Proportional to 107,838,416.20, 161,757,624.30 and 53,978,729.80

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Solution

The fourth proportional to 107,838,416.20, 161,757,624.30 and 53,978,729.80 is: 80,968,094.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,838,416.20 : 161,757,624.30 = 53,978,729.80 : x
  2. Step 2: Convert to fraction form
    107,838,416.20/161,757,624.30 = 53,978,729.80/x
  3. Step 3: Cross multiply
    107,838,416.20x = 161,757,624.30 × 53,978,729.80
  4. Step 4: Simplify right side
    107,838,416.20x = 8,731,471,095,179,614
  5. Step 5: Solve for x
    x = 8,731,471,095,179,614/107,838,416.20
  6. Step 6: Final answer
    x = 80,968,094.70

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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.