Home / 171,245,971.80-236,319,442.65-92,929,525.17

Finding the Fourth Proportional to 171,245,971.80, 236,319,442.65 and 92,929,525.17

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Solution

The fourth proportional to 171,245,971.80, 236,319,442.65 and 92,929,525.17 is: 128,242,745.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,245,971.80 : 236,319,442.65 = 92,929,525.17 : x
  2. Step 2: Convert to fraction form
    171,245,971.80/236,319,442.65 = 92,929,525.17/x
  3. Step 3: Cross multiply
    171,245,971.80x = 236,319,442.65 × 92,929,525.17
  4. Step 4: Simplify right side
    171,245,971.80x = 21,961,053,593,903,548
  5. Step 5: Solve for x
    x = 21,961,053,593,903,548/171,245,971.80
  6. Step 6: Final answer
    x = 128,242,745.58

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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.