Home / 140,100,208.93-209,968,032.21-57,005,123.68

Finding the Fourth Proportional to 140,100,208.93, 209,968,032.21 and 57,005,123.68

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Solution

The fourth proportional to 140,100,208.93, 209,968,032.21 and 57,005,123.68 is: 85,433,517.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,100,208.93 : 209,968,032.21 = 57,005,123.68 : x
  2. Step 2: Convert to fraction form
    140,100,208.93/209,968,032.21 = 57,005,123.68/x
  3. Step 3: Cross multiply
    140,100,208.93x = 209,968,032.21 × 57,005,123.68
  4. Step 4: Simplify right side
    140,100,208.93x = 11,969,253,644,977,274
  5. Step 5: Solve for x
    x = 11,969,253,644,977,274/140,100,208.93
  6. Step 6: Final answer
    x = 85,433,517.45

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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.