Home / 107,846,530.80-161,769,796.20-61,930,028.40

Finding the Fourth Proportional to 107,846,530.80, 161,769,796.20 and 61,930,028.40

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Solution

The fourth proportional to 107,846,530.80, 161,769,796.20 and 61,930,028.40 is: 92,895,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,846,530.80 : 161,769,796.20 = 61,930,028.40 : x
  2. Step 2: Convert to fraction form
    107,846,530.80/161,769,796.20 = 61,930,028.40/x
  3. Step 3: Cross multiply
    107,846,530.80x = 161,769,796.20 × 61,930,028.40
  4. Step 4: Simplify right side
    107,846,530.80x = 10,018,408,072,928,212
  5. Step 5: Solve for x
    x = 10,018,408,072,928,212/107,846,530.80
  6. Step 6: Final answer
    x = 92,895,042.60

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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.