Home / 107,803,211.20-161,704,816.80-90,797,099.20

Finding the Fourth Proportional to 107,803,211.20, 161,704,816.80 and 90,797,099.20

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Solution

The fourth proportional to 107,803,211.20, 161,704,816.80 and 90,797,099.20 is: 136,195,648.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,803,211.20 : 161,704,816.80 = 90,797,099.20 : x
  2. Step 2: Convert to fraction form
    107,803,211.20/161,704,816.80 = 90,797,099.20/x
  3. Step 3: Cross multiply
    107,803,211.20x = 161,704,816.80 × 90,797,099.20
  4. Step 4: Simplify right side
    107,803,211.20x = 14,682,328,292,107,428
  5. Step 5: Solve for x
    x = 14,682,328,292,107,428/107,803,211.20
  6. Step 6: Final answer
    x = 136,195,648.80

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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.