Home / 255,397,743.97-352,448,885.21-137,923,066.31

Finding the Fourth Proportional to 255,397,743.97, 352,448,885.21 and 137,923,066.31

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Solution

The fourth proportional to 255,397,743.97, 352,448,885.21 and 137,923,066.31 is: 190,333,830.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,397,743.97 : 352,448,885.21 = 137,923,066.31 : x
  2. Step 2: Convert to fraction form
    255,397,743.97/352,448,885.21 = 137,923,066.31/x
  3. Step 3: Cross multiply
    255,397,743.97x = 352,448,885.21 × 137,923,066.31
  4. Step 4: Simplify right side
    255,397,743.97x = 48,610,830,963,252,552
  5. Step 5: Solve for x
    x = 48,610,830,963,252,552/255,397,743.97
  6. Step 6: Final answer
    x = 190,333,830.71

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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.