Home / 106,403,678.70-159,476,120.22-75,288,300.60

Finding the Fourth Proportional to 106,403,678.70, 159,476,120.22 and 75,288,300.60

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Solution

The fourth proportional to 106,403,678.70, 159,476,120.22 and 75,288,300.60 is: 112,840,892.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,403,678.70 : 159,476,120.22 = 75,288,300.60 : x
  2. Step 2: Convert to fraction form
    106,403,678.70/159,476,120.22 = 75,288,300.60/x
  3. Step 3: Cross multiply
    106,403,678.70x = 159,476,120.22 × 75,288,300.60
  4. Step 4: Simplify right side
    106,403,678.70x = 12,006,686,077,645,098
  5. Step 5: Solve for x
    x = 12,006,686,077,645,098/106,403,678.70
  6. Step 6: Final answer
    x = 112,840,892.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.