Home / 80,827,091.40-121,317,287.06-50,028,507.70

Finding the Fourth Proportional to 80,827,091.40, 121,317,287.06 and 50,028,507.70

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Solution

The fourth proportional to 80,827,091.40, 121,317,287.06 and 50,028,507.70 is: 75,090,204.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,827,091.40 : 121,317,287.06 = 50,028,507.70 : x
  2. Step 2: Convert to fraction form
    80,827,091.40/121,317,287.06 = 50,028,507.70/x
  3. Step 3: Cross multiply
    80,827,091.40x = 121,317,287.06 × 50,028,507.70
  4. Step 4: Simplify right side
    80,827,091.40x = 6,069,322,829,824,321
  5. Step 5: Solve for x
    x = 6,069,322,829,824,321/80,827,091.40
  6. Step 6: Final answer
    x = 75,090,204.59

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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.