Home / 205,920,498.20-284,175,837.42-121,153,534.34

Finding the Fourth Proportional to 205,920,498.20, 284,175,837.42 and 121,153,534.34

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Solution

The fourth proportional to 205,920,498.20, 284,175,837.42 and 121,153,534.34 is: 167,195,142.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,920,498.20 : 284,175,837.42 = 121,153,534.34 : x
  2. Step 2: Convert to fraction form
    205,920,498.20/284,175,837.42 = 121,153,534.34/x
  3. Step 3: Cross multiply
    205,920,498.20x = 284,175,837.42 × 121,153,534.34
  4. Step 4: Simplify right side
    205,920,498.20x = 34,428,907,077,462,232
  5. Step 5: Solve for x
    x = 34,428,907,077,462,232/205,920,498.20
  6. Step 6: Final answer
    x = 167,195,142.68

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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.