Home / 205,156,947.35-307,246,913.26-118,713,177.11

Finding the Fourth Proportional to 205,156,947.35, 307,246,913.26 and 118,713,177.11

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Solution

The fourth proportional to 205,156,947.35, 307,246,913.26 and 118,713,177.11 is: 177,787,092.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,156,947.35 : 307,246,913.26 = 118,713,177.11 : x
  2. Step 2: Convert to fraction form
    205,156,947.35/307,246,913.26 = 118,713,177.11/x
  3. Step 3: Cross multiply
    205,156,947.35x = 307,246,913.26 × 118,713,177.11
  4. Step 4: Simplify right side
    205,156,947.35x = 36,474,257,230,335,184
  5. Step 5: Solve for x
    x = 36,474,257,230,335,184/205,156,947.35
  6. Step 6: Final answer
    x = 177,787,092.77

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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.