Home / 135,226,209.15-186,610,337.40-75,687,487.56

Finding the Fourth Proportional to 135,226,209.15, 186,610,337.40 and 75,687,487.56

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Solution

The fourth proportional to 135,226,209.15, 186,610,337.40 and 75,687,487.56 is: 104,447,707.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,226,209.15 : 186,610,337.40 = 75,687,487.56 : x
  2. Step 2: Convert to fraction form
    135,226,209.15/186,610,337.40 = 75,687,487.56/x
  3. Step 3: Cross multiply
    135,226,209.15x = 186,610,337.40 × 75,687,487.56
  4. Step 4: Simplify right side
    135,226,209.15x = 14,124,067,590,529,904
  5. Step 5: Solve for x
    x = 14,124,067,590,529,904/135,226,209.15
  6. Step 6: Final answer
    x = 104,447,707.88

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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.