Home / 219,995,612.70-329,993,419.05-74,433,922.80

Finding the Fourth Proportional to 219,995,612.70, 329,993,419.05 and 74,433,922.80

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Solution

The fourth proportional to 219,995,612.70, 329,993,419.05 and 74,433,922.80 is: 111,650,884.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,995,612.70 : 329,993,419.05 = 74,433,922.80 : x
  2. Step 2: Convert to fraction form
    219,995,612.70/329,993,419.05 = 74,433,922.80/x
  3. Step 3: Cross multiply
    219,995,612.70x = 329,993,419.05 × 74,433,922.80
  4. Step 4: Simplify right side
    219,995,612.70x = 24,562,704,678,075,748
  5. Step 5: Solve for x
    x = 24,562,704,678,075,748/219,995,612.70
  6. Step 6: Final answer
    x = 111,650,884.20

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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.