Home / 159,503,164.09-220,108,924.60-87,978,880.04

Finding the Fourth Proportional to 159,503,164.09, 220,108,924.60 and 87,978,880.04

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Solution

The fourth proportional to 159,503,164.09, 220,108,924.60 and 87,978,880.04 is: 121,407,852.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,503,164.09 : 220,108,924.60 = 87,978,880.04 : x
  2. Step 2: Convert to fraction form
    159,503,164.09/220,108,924.60 = 87,978,880.04/x
  3. Step 3: Cross multiply
    159,503,164.09x = 220,108,924.60 × 87,978,880.04
  4. Step 4: Simplify right side
    159,503,164.09x = 19,364,936,671,796,312
  5. Step 5: Solve for x
    x = 19,364,936,671,796,312/159,503,164.09
  6. Step 6: Final answer
    x = 121,407,852.83

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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.