Home / 122,142,655.89-183,213,867.20-31,266,099.09

Finding the Fourth Proportional to 122,142,655.89, 183,213,867.20 and 31,266,099.09

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Solution

The fourth proportional to 122,142,655.89, 183,213,867.20 and 31,266,099.09 is: 46,899,118.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,142,655.89 : 183,213,867.20 = 31,266,099.09 : x
  2. Step 2: Convert to fraction form
    122,142,655.89/183,213,867.20 = 31,266,099.09/x
  3. Step 3: Cross multiply
    122,142,655.89x = 183,213,867.20 × 31,266,099.09
  4. Step 4: Simplify right side
    122,142,655.89x = 5,728,382,926,380,970
  5. Step 5: Solve for x
    x = 5,728,382,926,380,970/122,142,655.89
  6. Step 6: Final answer
    x = 46,899,118.78

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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.