Home / 218,198,045.70-301,120,346.88-124,109,774.82

Finding the Fourth Proportional to 218,198,045.70, 301,120,346.88 and 124,109,774.82

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Solution

The fourth proportional to 218,198,045.70, 301,120,346.88 and 124,109,774.82 is: 171,275,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,198,045.70 : 301,120,346.88 = 124,109,774.82 : x
  2. Step 2: Convert to fraction form
    218,198,045.70/301,120,346.88 = 124,109,774.82/x
  3. Step 3: Cross multiply
    218,198,045.70x = 301,120,346.88 × 124,109,774.82
  4. Step 4: Simplify right side
    218,198,045.70x = 37,371,978,444,997,088
  5. Step 5: Solve for x
    x = 37,371,978,444,997,088/218,198,045.70
  6. Step 6: Final answer
    x = 171,275,495.73

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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.