Home / 125,122,189.32-172,607,262.66-108,579,094.92

Finding the Fourth Proportional to 125,122,189.32, 172,607,262.66 and 108,579,094.92

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Solution

The fourth proportional to 125,122,189.32, 172,607,262.66 and 108,579,094.92 is: 149,785,904.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,122,189.32 : 172,607,262.66 = 108,579,094.92 : x
  2. Step 2: Convert to fraction form
    125,122,189.32/172,607,262.66 = 108,579,094.92/x
  3. Step 3: Cross multiply
    125,122,189.32x = 172,607,262.66 × 108,579,094.92
  4. Step 4: Simplify right side
    125,122,189.32x = 18,741,540,356,241,512
  5. Step 5: Solve for x
    x = 18,741,540,356,241,512/125,122,189.32
  6. Step 6: Final answer
    x = 149,785,904.95

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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.