Home / 164,932,695.48-247,289,842.26-78,684,413.88

Finding the Fourth Proportional to 164,932,695.48, 247,289,842.26 and 78,684,413.88

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Solution

The fourth proportional to 164,932,695.48, 247,289,842.26 and 78,684,413.88 is: 117,974,524.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,932,695.48 : 247,289,842.26 = 78,684,413.88 : x
  2. Step 2: Convert to fraction form
    164,932,695.48/247,289,842.26 = 78,684,413.88/x
  3. Step 3: Cross multiply
    164,932,695.48x = 247,289,842.26 × 78,684,413.88
  4. Step 4: Simplify right side
    164,932,695.48x = 19,457,856,296,705,752
  5. Step 5: Solve for x
    x = 19,457,856,296,705,752/164,932,695.48
  6. Step 6: Final answer
    x = 117,974,524.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.