Home / 123,286,874.60-170,129,840.94-67,532,542.31

Finding the Fourth Proportional to 123,286,874.60, 170,129,840.94 and 67,532,542.31

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Solution

The fourth proportional to 123,286,874.60, 170,129,840.94 and 67,532,542.31 is: 93,191,596.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,286,874.60 : 170,129,840.94 = 67,532,542.31 : x
  2. Step 2: Convert to fraction form
    123,286,874.60/170,129,840.94 = 67,532,542.31/x
  3. Step 3: Cross multiply
    123,286,874.60x = 170,129,840.94 × 67,532,542.31
  4. Step 4: Simplify right side
    123,286,874.60x = 11,489,300,681,474,120
  5. Step 5: Solve for x
    x = 11,489,300,681,474,120/123,286,874.60
  6. Step 6: Final answer
    x = 93,191,596.58

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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.