Home / 255,842,063.37-353,062,048.01-138,367,393.61

Finding the Fourth Proportional to 255,842,063.37, 353,062,048.01 and 138,367,393.61

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Solution

The fourth proportional to 255,842,063.37, 353,062,048.01 and 138,367,393.61 is: 190,947,003.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,842,063.37 : 353,062,048.01 = 138,367,393.61 : x
  2. Step 2: Convert to fraction form
    255,842,063.37/353,062,048.01 = 138,367,393.61/x
  3. Step 3: Cross multiply
    255,842,063.37x = 353,062,048.01 × 138,367,393.61
  4. Step 4: Simplify right side
    255,842,063.37x = 48,852,275,363,987,072
  5. Step 5: Solve for x
    x = 48,852,275,363,987,072/255,842,063.37
  6. Step 6: Final answer
    x = 190,947,003.48

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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.