Home / 135,007,343.64-186,296,151.42-76,276,420.92

Finding the Fourth Proportional to 135,007,343.64, 186,296,151.42 and 76,276,420.92

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Solution

The fourth proportional to 135,007,343.64, 186,296,151.42 and 76,276,420.92 is: 105,253,560.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,007,343.64 : 186,296,151.42 = 76,276,420.92 : x
  2. Step 2: Convert to fraction form
    135,007,343.64/186,296,151.42 = 76,276,420.92/x
  3. Step 3: Cross multiply
    135,007,343.64x = 186,296,151.42 × 76,276,420.92
  4. Step 4: Simplify right side
    135,007,343.64x = 14,210,003,661,487,976
  5. Step 5: Solve for x
    x = 14,210,003,661,487,976/135,007,343.64
  6. Step 6: Final answer
    x = 105,253,560.87

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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.