Home / 140,268,134.55-193,553,258.90-77,535,757.83

Finding the Fourth Proportional to 140,268,134.55, 193,553,258.90 and 77,535,757.83

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Solution

The fourth proportional to 140,268,134.55, 193,553,258.90 and 77,535,757.83 is: 106,990,077.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,268,134.55 : 193,553,258.90 = 77,535,757.83 : x
  2. Step 2: Convert to fraction form
    140,268,134.55/193,553,258.90 = 77,535,757.83/x
  3. Step 3: Cross multiply
    140,268,134.55x = 193,553,258.90 × 77,535,757.83
  4. Step 4: Simplify right side
    140,268,134.55x = 15,007,298,608,890,014
  5. Step 5: Solve for x
    x = 15,007,298,608,890,014/140,268,134.55
  6. Step 6: Final answer
    x = 106,990,077.66

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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.