Home / 379,813,424.49-569,640,419.55-107,120,418.57

Finding the Fourth Proportional to 379,813,424.49, 569,640,419.55 and 107,120,418.57

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Solution

The fourth proportional to 379,813,424.49, 569,640,419.55 and 107,120,418.57 is: 160,658,144.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,813,424.49 : 569,640,419.55 = 107,120,418.57 : x
  2. Step 2: Convert to fraction form
    379,813,424.49/569,640,419.55 = 107,120,418.57/x
  3. Step 3: Cross multiply
    379,813,424.49x = 569,640,419.55 × 107,120,418.57
  4. Step 4: Simplify right side
    379,813,424.49x = 61,020,120,176,586,400
  5. Step 5: Solve for x
    x = 61,020,120,176,586,400/379,813,424.49
  6. Step 6: Final answer
    x = 160,658,144.87

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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.