Home / 119,815,106,385.78-165,350,044,305.34-66,351,078,903.74

Finding the Fourth Proportional to 119,815,106,385.78, 165,350,044,305.34 and 66,351,078,903.74

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Solution

The fourth proportional to 119,815,106,385.78, 165,350,044,305.34 and 66,351,078,903.74 is: 91,567,367,149.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,815,106,385.78 : 165,350,044,305.34 = 66,351,078,903.74 : x
  2. Step 2: Convert to fraction form
    119,815,106,385.78/165,350,044,305.34 = 66,351,078,903.74/x
  3. Step 3: Cross multiply
    119,815,106,385.78x = 165,350,044,305.34 × 66,351,078,903.74
  4. Step 4: Simplify right side
    119,815,106,385.78x = 10,971,153,836,440,517,869,568
  5. Step 5: Solve for x
    x = 10,971,153,836,440,517,869,568/119,815,106,385.78
  6. Step 6: Final answer
    x = 91,567,367,149.14

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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.