Home / 248,254,670.33-342,578,782.98-136,743,110.58

Finding the Fourth Proportional to 248,254,670.33, 342,578,782.98 and 136,743,110.58

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Solution

The fourth proportional to 248,254,670.33, 342,578,782.98 and 136,743,110.58 is: 188,698,518.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,254,670.33 : 342,578,782.98 = 136,743,110.58 : x
  2. Step 2: Convert to fraction form
    248,254,670.33/342,578,782.98 = 136,743,110.58/x
  3. Step 3: Cross multiply
    248,254,670.33x = 342,578,782.98 × 136,743,110.58
  4. Step 4: Simplify right side
    248,254,670.33x = 46,845,288,403,395,968
  5. Step 5: Solve for x
    x = 46,845,288,403,395,968/248,254,670.33
  6. Step 6: Final answer
    x = 188,698,518.11

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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.