Home / 115,597,516.35-159,370,253.69-91,833,989.81

Finding the Fourth Proportional to 115,597,516.35, 159,370,253.69 and 91,833,989.81

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Solution

The fourth proportional to 115,597,516.35, 159,370,253.69 and 91,833,989.81 is: 126,608,310.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,597,516.35 : 159,370,253.69 = 91,833,989.81 : x
  2. Step 2: Convert to fraction form
    115,597,516.35/159,370,253.69 = 91,833,989.81/x
  3. Step 3: Cross multiply
    115,597,516.35x = 159,370,253.69 × 91,833,989.81
  4. Step 4: Simplify right side
    115,597,516.35x = 14,635,606,252,128,556
  5. Step 5: Solve for x
    x = 14,635,606,252,128,556/115,597,516.35
  6. Step 6: Final answer
    x = 126,608,310.58

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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.