Home / 106,512,110.70-159,768,166.05-87,364,488.30

Finding the Fourth Proportional to 106,512,110.70, 159,768,166.05 and 87,364,488.30

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Solution

The fourth proportional to 106,512,110.70, 159,768,166.05 and 87,364,488.30 is: 131,046,732.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,512,110.70 : 159,768,166.05 = 87,364,488.30 : x
  2. Step 2: Convert to fraction form
    106,512,110.70/159,768,166.05 = 87,364,488.30/x
  3. Step 3: Cross multiply
    106,512,110.70x = 159,768,166.05 × 87,364,488.30
  4. Step 4: Simplify right side
    106,512,110.70x = 13,958,064,073,587,682
  5. Step 5: Solve for x
    x = 13,958,064,073,587,682/106,512,110.70
  6. Step 6: Final answer
    x = 131,046,732.45

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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.