Home / 205,920,583.20-284,175,954.72-121,153,619.52

Finding the Fourth Proportional to 205,920,583.20, 284,175,954.72 and 121,153,619.52

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Solution

The fourth proportional to 205,920,583.20, 284,175,954.72 and 121,153,619.52 is: 167,195,260.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,920,583.20 : 284,175,954.72 = 121,153,619.52 : x
  2. Step 2: Convert to fraction form
    205,920,583.20/284,175,954.72 = 121,153,619.52/x
  3. Step 3: Cross multiply
    205,920,583.20x = 284,175,954.72 × 121,153,619.52
  4. Step 4: Simplify right side
    205,920,583.20x = 34,428,945,494,879,632
  5. Step 5: Solve for x
    x = 34,428,945,494,879,632/205,920,583.20
  6. Step 6: Final answer
    x = 167,195,260.23

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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.