Home / 379,813,439.64-569,640,442.32-107,120,433.72

Finding the Fourth Proportional to 379,813,439.64, 569,640,442.32 and 107,120,433.72

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Solution

The fourth proportional to 379,813,439.64, 569,640,442.32 and 107,120,433.72 is: 160,658,167.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,813,439.64 : 569,640,442.32 = 107,120,433.72 : x
  2. Step 2: Convert to fraction form
    379,813,439.64/569,640,442.32 = 107,120,433.72/x
  3. Step 3: Cross multiply
    379,813,439.64x = 569,640,442.32 × 107,120,433.72
  4. Step 4: Simplify right side
    379,813,439.64x = 61,020,131,245,771,048
  5. Step 5: Solve for x
    x = 61,020,131,245,771,048/379,813,439.64
  6. Step 6: Final answer
    x = 160,658,167.61

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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.