Home / 118,752,490.72-163,874,472.60-65,826,974.08

Finding the Fourth Proportional to 118,752,490.72, 163,874,472.60 and 65,826,974.08

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Solution

The fourth proportional to 118,752,490.72, 163,874,472.60 and 65,826,974.08 is: 90,839,026.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,752,490.72 : 163,874,472.60 = 65,826,974.08 : x
  2. Step 2: Convert to fraction form
    118,752,490.72/163,874,472.60 = 65,826,974.08/x
  3. Step 3: Cross multiply
    118,752,490.72x = 163,874,472.60 × 65,826,974.08
  4. Step 4: Simplify right side
    118,752,490.72x = 10,787,360,660,213,870
  5. Step 5: Solve for x
    x = 10,787,360,660,213,870/118,752,490.72
  6. Step 6: Final answer
    x = 90,839,026.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.