Home / 110,720,063.20-166,080,094.80-105,681,215.20

Finding the Fourth Proportional to 110,720,063.20, 166,080,094.80 and 105,681,215.20

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Solution

The fourth proportional to 110,720,063.20, 166,080,094.80 and 105,681,215.20 is: 158,521,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,720,063.20 : 166,080,094.80 = 105,681,215.20 : x
  2. Step 2: Convert to fraction form
    110,720,063.20/166,080,094.80 = 105,681,215.20/x
  3. Step 3: Cross multiply
    110,720,063.20x = 166,080,094.80 × 105,681,215.20
  4. Step 4: Simplify right side
    110,720,063.20x = 17,551,546,238,995,202
  5. Step 5: Solve for x
    x = 17,551,546,238,995,202/110,720,063.20
  6. Step 6: Final answer
    x = 158,521,822.80

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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.