Home / 205,336,987-283,365,042.06-118,416,859

Finding the Fourth Proportional to 205,336,987, 283,365,042.06 and 118,416,859

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Solution

The fourth proportional to 205,336,987, 283,365,042.06 and 118,416,859 is: 163,415,265.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,336,987 : 283,365,042.06 = 118,416,859 : x
  2. Step 2: Convert to fraction form
    205,336,987/283,365,042.06 = 118,416,859/x
  3. Step 3: Cross multiply
    205,336,987x = 283,365,042.06 × 118,416,859
  4. Step 4: Simplify right side
    205,336,987x = 33,555,198,231,148,088
  5. Step 5: Solve for x
    x = 33,555,198,231,148,088/205,336,987
  6. Step 6: Final answer
    x = 163,415,265.42

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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.