Home / 131,125,157.77-196,590,771.72-79,298,238.41

Finding the Fourth Proportional to 131,125,157.77, 196,590,771.72 and 79,298,238.41

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Solution

The fourth proportional to 131,125,157.77, 196,590,771.72 and 79,298,238.41 is: 118,888,717.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,125,157.77 : 196,590,771.72 = 79,298,238.41 : x
  2. Step 2: Convert to fraction form
    131,125,157.77/196,590,771.72 = 79,298,238.41/x
  3. Step 3: Cross multiply
    131,125,157.77x = 196,590,771.72 × 79,298,238.41
  4. Step 4: Simplify right side
    131,125,157.77x = 15,589,301,884,765,214
  5. Step 5: Solve for x
    x = 15,589,301,884,765,214/131,125,157.77
  6. Step 6: Final answer
    x = 118,888,717.85

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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.