Home / 132,918,477.20-199,377,715.80-75,388,518.80

Finding the Fourth Proportional to 132,918,477.20, 199,377,715.80 and 75,388,518.80

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Solution

The fourth proportional to 132,918,477.20, 199,377,715.80 and 75,388,518.80 is: 113,082,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,918,477.20 : 199,377,715.80 = 75,388,518.80 : x
  2. Step 2: Convert to fraction form
    132,918,477.20/199,377,715.80 = 75,388,518.80/x
  3. Step 3: Cross multiply
    132,918,477.20x = 199,377,715.80 × 75,388,518.80
  4. Step 4: Simplify right side
    132,918,477.20x = 15,030,790,675,889,358
  5. Step 5: Solve for x
    x = 15,030,790,675,889,358/132,918,477.20
  6. Step 6: Final answer
    x = 113,082,778.20

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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.