Home / 101,369,672.73-139,892,902.74-57,323,261.88

Finding the Fourth Proportional to 101,369,672.73, 139,892,902.74 and 57,323,261.88

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Solution

The fourth proportional to 101,369,672.73, 139,892,902.74 and 57,323,261.88 is: 79,107,658.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,369,672.73 : 139,892,902.74 = 57,323,261.88 : x
  2. Step 2: Convert to fraction form
    101,369,672.73/139,892,902.74 = 57,323,261.88/x
  3. Step 3: Cross multiply
    101,369,672.73x = 139,892,902.74 × 57,323,261.88
  4. Step 4: Simplify right side
    101,369,672.73x = 8,019,117,498,918,390
  5. Step 5: Solve for x
    x = 8,019,117,498,918,390/101,369,672.73
  6. Step 6: Final answer
    x = 79,107,658.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.