Home / 80,827,147.89-121,317,371.64-50,028,564.33

Finding the Fourth Proportional to 80,827,147.89, 121,317,371.64 and 50,028,564.33

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Solution

The fourth proportional to 80,827,147.89, 121,317,371.64 and 50,028,564.33 is: 75,090,289.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,827,147.89 : 121,317,371.64 = 50,028,564.33 : x
  2. Step 2: Convert to fraction form
    80,827,147.89/121,317,371.64 = 50,028,564.33/x
  3. Step 3: Cross multiply
    80,827,147.89x = 121,317,371.64 × 50,028,564.33
  4. Step 4: Simplify right side
    80,827,147.89x = 6,069,333,931,438,257
  5. Step 5: Solve for x
    x = 6,069,333,931,438,257/80,827,147.89
  6. Step 6: Final answer
    x = 75,090,289.46

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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.