Home / 107,658,775.40-161,488,163.10-50,156,859.20

Finding the Fourth Proportional to 107,658,775.40, 161,488,163.10 and 50,156,859.20

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Solution

The fourth proportional to 107,658,775.40, 161,488,163.10 and 50,156,859.20 is: 75,235,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,658,775.40 : 161,488,163.10 = 50,156,859.20 : x
  2. Step 2: Convert to fraction form
    107,658,775.40/161,488,163.10 = 50,156,859.20/x
  3. Step 3: Cross multiply
    107,658,775.40x = 161,488,163.10 × 50,156,859.20
  4. Step 4: Simplify right side
    107,658,775.40x = 8,099,739,059,073,336
  5. Step 5: Solve for x
    x = 8,099,739,059,073,336/107,658,775.40
  6. Step 6: Final answer
    x = 75,235,288.80

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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.