Home / 185,292,828.45-255,494,425.23-118,222,021.80

Finding the Fourth Proportional to 185,292,828.45, 255,494,425.23 and 118,222,021.80

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Solution

The fourth proportional to 185,292,828.45, 255,494,425.23 and 118,222,021.80 is: 163,012,609.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,292,828.45 : 255,494,425.23 = 118,222,021.80 : x
  2. Step 2: Convert to fraction form
    185,292,828.45/255,494,425.23 = 118,222,021.80/x
  3. Step 3: Cross multiply
    185,292,828.45x = 255,494,425.23 × 118,222,021.80
  4. Step 4: Simplify right side
    185,292,828.45x = 30,205,067,509,319,528
  5. Step 5: Solve for x
    x = 30,205,067,509,319,528/185,292,828.45
  6. Step 6: Final answer
    x = 163,012,609.62

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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.