Home / 43,100,238.60-64,650,187.80-12,808,101.60

Finding the Fourth Proportional to 43,100,238.60, 64,650,187.80 and 12,808,101.60

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Solution

The fourth proportional to 43,100,238.60, 64,650,187.80 and 12,808,101.60 is: 19,212,101.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,100,238.60 : 64,650,187.80 = 12,808,101.60 : x
  2. Step 2: Convert to fraction form
    43,100,238.60/64,650,187.80 = 12,808,101.60/x
  3. Step 3: Cross multiply
    43,100,238.60x = 64,650,187.80 × 12,808,101.60
  4. Step 4: Simplify right side
    43,100,238.60x = 828,046,173,801,480.38
  5. Step 5: Solve for x
    x = 828,046,173,801,480.38/43,100,238.60
  6. Step 6: Final answer
    x = 19,212,101.85

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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.