Home / 122,640,921.64-184,001,240.13-81,866,110.92

Finding the Fourth Proportional to 122,640,921.64, 184,001,240.13 and 81,866,110.92

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Solution

The fourth proportional to 122,640,921.64, 184,001,240.13 and 81,866,110.92 is: 122,825,772.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,640,921.64 : 184,001,240.13 = 81,866,110.92 : x
  2. Step 2: Convert to fraction form
    122,640,921.64/184,001,240.13 = 81,866,110.92/x
  3. Step 3: Cross multiply
    122,640,921.64x = 184,001,240.13 × 81,866,110.92
  4. Step 4: Simplify right side
    122,640,921.64x = 15,063,465,933,900,136
  5. Step 5: Solve for x
    x = 15,063,465,933,900,136/122,640,921.64
  6. Step 6: Final answer
    x = 122,825,772.45

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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.