Home / 135,801,007.64-187,409,917.25-76,272,794.02

Finding the Fourth Proportional to 135,801,007.64, 187,409,917.25 and 76,272,794.02

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Solution

The fourth proportional to 135,801,007.64, 187,409,917.25 and 76,272,794.02 is: 105,258,998.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,801,007.64 : 187,409,917.25 = 76,272,794.02 : x
  2. Step 2: Convert to fraction form
    135,801,007.64/187,409,917.25 = 76,272,794.02/x
  3. Step 3: Cross multiply
    135,801,007.64x = 187,409,917.25 × 76,272,794.02
  4. Step 4: Simplify right side
    135,801,007.64x = 14,294,278,015,853,416
  5. Step 5: Solve for x
    x = 14,294,278,015,853,416/135,801,007.64
  6. Step 6: Final answer
    x = 105,258,998.18

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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.