Home / 107,803,205.70-161,704,808.55-90,797,093.70

Finding the Fourth Proportional to 107,803,205.70, 161,704,808.55 and 90,797,093.70

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Solution

The fourth proportional to 107,803,205.70, 161,704,808.55 and 90,797,093.70 is: 136,195,640.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,803,205.70 : 161,704,808.55 = 90,797,093.70 : x
  2. Step 2: Convert to fraction form
    107,803,205.70/161,704,808.55 = 90,797,093.70/x
  3. Step 3: Cross multiply
    107,803,205.70x = 161,704,808.55 × 90,797,093.70
  4. Step 4: Simplify right side
    107,803,205.70x = 14,682,326,653,654,912
  5. Step 5: Solve for x
    x = 14,682,326,653,654,912/107,803,205.70
  6. Step 6: Final answer
    x = 136,195,640.55

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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.