Home / 133,129,648.42-183,715,493.12-74,392,796.10

Finding the Fourth Proportional to 133,129,648.42, 183,715,493.12 and 74,392,796.10

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Solution

The fourth proportional to 133,129,648.42, 183,715,493.12 and 74,392,796.10 is: 102,660,146.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,129,648.42 : 183,715,493.12 = 74,392,796.10 : x
  2. Step 2: Convert to fraction form
    133,129,648.42/183,715,493.12 = 74,392,796.10/x
  3. Step 3: Cross multiply
    133,129,648.42x = 183,715,493.12 × 74,392,796.10
  4. Step 4: Simplify right side
    133,129,648.42x = 13,667,109,220,087,112
  5. Step 5: Solve for x
    x = 13,667,109,220,087,112/133,129,648.42
  6. Step 6: Final answer
    x = 102,660,146.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.