Home / 85,321,707.75-117,710,455.50-49,552,059.44

Finding the Fourth Proportional to 85,321,707.75, 117,710,455.50 and 49,552,059.44

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Solution

The fourth proportional to 85,321,707.75, 117,710,455.50 and 49,552,059.44 is: 68,362,385.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,321,707.75 : 117,710,455.50 = 49,552,059.44 : x
  2. Step 2: Convert to fraction form
    85,321,707.75/117,710,455.50 = 49,552,059.44/x
  3. Step 3: Cross multiply
    85,321,707.75x = 117,710,455.50 × 49,552,059.44
  4. Step 4: Simplify right side
    85,321,707.75x = 5,832,795,487,939,751
  5. Step 5: Solve for x
    x = 5,832,795,487,939,751/85,321,707.75
  6. Step 6: Final answer
    x = 68,362,385.63

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1.5x scale

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.