Home / 120,667,032.70-181,000,549.05-43,992,562.30

Finding the Fourth Proportional to 120,667,032.70, 181,000,549.05 and 43,992,562.30

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Solution

The fourth proportional to 120,667,032.70, 181,000,549.05 and 43,992,562.30 is: 65,988,843.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,667,032.70 : 181,000,549.05 = 43,992,562.30 : x
  2. Step 2: Convert to fraction form
    120,667,032.70/181,000,549.05 = 43,992,562.30/x
  3. Step 3: Cross multiply
    120,667,032.70x = 181,000,549.05 × 43,992,562.30
  4. Step 4: Simplify right side
    120,667,032.70x = 7,962,677,930,416,331
  5. Step 5: Solve for x
    x = 7,962,677,930,416,331/120,667,032.70
  6. Step 6: Final answer
    x = 65,988,843.45

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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.