Home / 248,279,146.68-342,635,852.46-138,270,859.32

Finding the Fourth Proportional to 248,279,146.68, 342,635,852.46 and 138,270,859.32

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Solution

The fourth proportional to 248,279,146.68, 342,635,852.46 and 138,270,859.32 is: 190,819,705.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,279,146.68 : 342,635,852.46 = 138,270,859.32 : x
  2. Step 2: Convert to fraction form
    248,279,146.68/342,635,852.46 = 138,270,859.32/x
  3. Step 3: Cross multiply
    248,279,146.68x = 342,635,852.46 × 138,270,859.32
  4. Step 4: Simplify right side
    248,279,146.68x = 47,376,553,753,484,928
  5. Step 5: Solve for x
    x = 47,376,553,753,484,928/248,279,146.68
  6. Step 6: Final answer
    x = 190,819,705.91

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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.