Home / 330,072,657.32-495,125,431.50-125,616,578.60

Finding the Fourth Proportional to 330,072,657.32, 495,125,431.50 and 125,616,578.60

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Solution

The fourth proportional to 330,072,657.32, 495,125,431.50 and 125,616,578.60 is: 188,431,126.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,072,657.32 : 495,125,431.50 = 125,616,578.60 : x
  2. Step 2: Convert to fraction form
    330,072,657.32/495,125,431.50 = 125,616,578.60/x
  3. Step 3: Cross multiply
    330,072,657.32x = 495,125,431.50 × 125,616,578.60
  4. Step 4: Simplify right side
    330,072,657.32x = 62,195,962,682,878,664
  5. Step 5: Solve for x
    x = 62,195,962,682,878,664/330,072,657.32
  6. Step 6: Final answer
    x = 188,431,126.61

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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.