Home / 132,408,921.33-182,721,448.22-76,656,692.61

Finding the Fourth Proportional to 132,408,921.33, 182,721,448.22 and 76,656,692.61

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Solution

The fourth proportional to 132,408,921.33, 182,721,448.22 and 76,656,692.61 is: 105,784,578.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,408,921.33 : 182,721,448.22 = 76,656,692.61 : x
  2. Step 2: Convert to fraction form
    132,408,921.33/182,721,448.22 = 76,656,692.61/x
  3. Step 3: Cross multiply
    132,408,921.33x = 182,721,448.22 × 76,656,692.61
  4. Step 4: Simplify right side
    132,408,921.33x = 14,006,821,889,071,288
  5. Step 5: Solve for x
    x = 14,006,821,889,071,288/132,408,921.33
  6. Step 6: Final answer
    x = 105,784,578.17

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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.