Home / 248,220,712.72-342,546,963.32-136,714,081.52

Finding the Fourth Proportional to 248,220,712.72, 342,546,963.32 and 136,714,081.52

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Solution

The fourth proportional to 248,220,712.72, 342,546,963.32 and 136,714,081.52 is: 188,666,743.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,220,712.72 : 342,546,963.32 = 136,714,081.52 : x
  2. Step 2: Convert to fraction form
    248,220,712.72/342,546,963.32 = 136,714,081.52/x
  3. Step 3: Cross multiply
    248,220,712.72x = 342,546,963.32 × 136,714,081.52
  4. Step 4: Simplify right side
    248,220,712.72x = 46,830,993,467,758,936
  5. Step 5: Solve for x
    x = 46,830,993,467,758,936/248,220,712.72
  6. Step 6: Final answer
    x = 188,666,743.22

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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.