Home / 122,479,008.40-183,505,936.20-79,325,999.20

Finding the Fourth Proportional to 122,479,008.40, 183,505,936.20 and 79,325,999.20

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Solution

The fourth proportional to 122,479,008.40, 183,505,936.20 and 79,325,999.20 is: 118,851,319.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,479,008.40 : 183,505,936.20 = 79,325,999.20 : x
  2. Step 2: Convert to fraction form
    122,479,008.40/183,505,936.20 = 79,325,999.20/x
  3. Step 3: Cross multiply
    122,479,008.40x = 183,505,936.20 × 79,325,999.20
  4. Step 4: Simplify right side
    122,479,008.40x = 14,556,791,748,196,450
  5. Step 5: Solve for x
    x = 14,556,791,748,196,450/122,479,008.40
  6. Step 6: Final answer
    x = 118,851,319.41

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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.