Home / 248,254,669.58-342,578,781.95-136,743,109.83

Finding the Fourth Proportional to 248,254,669.58, 342,578,781.95 and 136,743,109.83

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Solution

The fourth proportional to 248,254,669.58, 342,578,781.95 and 136,743,109.83 is: 188,698,517.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,254,669.58 : 342,578,781.95 = 136,743,109.83 : x
  2. Step 2: Convert to fraction form
    248,254,669.58/342,578,781.95 = 136,743,109.83/x
  3. Step 3: Cross multiply
    248,254,669.58x = 342,578,781.95 × 136,743,109.83
  4. Step 4: Simplify right side
    248,254,669.58x = 46,845,288,004,932,760
  5. Step 5: Solve for x
    x = 46,845,288,004,932,760/248,254,669.58
  6. Step 6: Final answer
    x = 188,698,517.07

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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.