Home / 123,207,122.70-184,748,406.93-72,104,494.86

Finding the Fourth Proportional to 123,207,122.70, 184,748,406.93 and 72,104,494.86

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Solution

The fourth proportional to 123,207,122.70, 184,748,406.93 and 72,104,494.86 is: 108,120,295.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,207,122.70 : 184,748,406.93 = 72,104,494.86 : x
  2. Step 2: Convert to fraction form
    123,207,122.70/184,748,406.93 = 72,104,494.86/x
  3. Step 3: Cross multiply
    123,207,122.70x = 184,748,406.93 × 72,104,494.86
  4. Step 4: Simplify right side
    123,207,122.70x = 13,321,190,557,877,374
  5. Step 5: Solve for x
    x = 13,321,190,557,877,374/123,207,122.70
  6. Step 6: Final answer
    x = 108,120,295.86

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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.