Home / 248,222,769.36-342,562,978.80-136,713,588

Finding the Fourth Proportional to 248,222,769.36, 342,562,978.80 and 136,713,588

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Solution

The fourth proportional to 248,222,769.36, 342,562,978.80 and 136,713,588 is: 188,673,319.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,222,769.36 : 342,562,978.80 = 136,713,588 : x
  2. Step 2: Convert to fraction form
    248,222,769.36/342,562,978.80 = 136,713,588/x
  3. Step 3: Cross multiply
    248,222,769.36x = 342,562,978.80 × 136,713,588
  4. Step 4: Simplify right side
    248,222,769.36x = 46,833,013,947,715,936
  5. Step 5: Solve for x
    x = 46,833,013,947,715,936/248,222,769.36
  6. Step 6: Final answer
    x = 188,673,319.81

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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.