Home / 248,798,731.69-343,349,546.72-135,775,521.21

Finding the Fourth Proportional to 248,798,731.69, 343,349,546.72 and 135,775,521.21

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Solution

The fourth proportional to 248,798,731.69, 343,349,546.72 and 135,775,521.21 is: 187,374,201.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,798,731.69 : 343,349,546.72 = 135,775,521.21 : x
  2. Step 2: Convert to fraction form
    248,798,731.69/343,349,546.72 = 135,775,521.21/x
  3. Step 3: Cross multiply
    248,798,731.69x = 343,349,546.72 × 135,775,521.21
  4. Step 4: Simplify right side
    248,798,731.69x = 46,618,463,663,125,256
  5. Step 5: Solve for x
    x = 46,618,463,663,125,256/248,798,731.69
  6. Step 6: Final answer
    x = 187,374,201.41

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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.