Home / 203,755,511.70-305,633,267.55-189,406,604.70

Finding the Fourth Proportional to 203,755,511.70, 305,633,267.55 and 189,406,604.70

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Solution

The fourth proportional to 203,755,511.70, 305,633,267.55 and 189,406,604.70 is: 284,109,907.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,755,511.70 : 305,633,267.55 = 189,406,604.70 : x
  2. Step 2: Convert to fraction form
    203,755,511.70/305,633,267.55 = 189,406,604.70/x
  3. Step 3: Cross multiply
    203,755,511.70x = 305,633,267.55 × 189,406,604.70
  4. Step 4: Simplify right side
    203,755,511.70x = 57,888,959,490,012,184
  5. Step 5: Solve for x
    x = 57,888,959,490,012,184/203,755,511.70
  6. Step 6: Final answer
    x = 284,109,907.05

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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.