Home / 154,402,427.78-231,611,090.44-50,769,338.72

Finding the Fourth Proportional to 154,402,427.78, 231,611,090.44 and 50,769,338.72

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Solution

The fourth proportional to 154,402,427.78, 231,611,090.44 and 50,769,338.72 is: 76,156,457.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,402,427.78 : 231,611,090.44 = 50,769,338.72 : x
  2. Step 2: Convert to fraction form
    154,402,427.78/231,611,090.44 = 50,769,338.72/x
  3. Step 3: Cross multiply
    154,402,427.78x = 231,611,090.44 × 50,769,338.72
  4. Step 4: Simplify right side
    154,402,427.78x = 11,758,741,901,856,914
  5. Step 5: Solve for x
    x = 11,758,741,901,856,914/154,402,427.78
  6. Step 6: Final answer
    x = 76,156,457.32

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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.