Home / 149,319,311.04-206,072,915.76-82,351,366.40

Finding the Fourth Proportional to 149,319,311.04, 206,072,915.76 and 82,351,366.40

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Solution

The fourth proportional to 149,319,311.04, 206,072,915.76 and 82,351,366.40 is: 113,651,650.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,319,311.04 : 206,072,915.76 = 82,351,366.40 : x
  2. Step 2: Convert to fraction form
    149,319,311.04/206,072,915.76 = 82,351,366.40/x
  3. Step 3: Cross multiply
    149,319,311.04x = 206,072,915.76 × 82,351,366.40
  4. Step 4: Simplify right side
    149,319,311.04x = 16,970,386,190,868,094
  5. Step 5: Solve for x
    x = 16,970,386,190,868,094/149,319,311.04
  6. Step 6: Final answer
    x = 113,651,650.77

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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.