Home / 53,947,999.70-80,921,999.55-49,035,122.90

Finding the Fourth Proportional to 53,947,999.70, 80,921,999.55 and 49,035,122.90

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Solution

The fourth proportional to 53,947,999.70, 80,921,999.55 and 49,035,122.90 is: 73,552,684.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,947,999.70 : 80,921,999.55 = 49,035,122.90 : x
  2. Step 2: Convert to fraction form
    53,947,999.70/80,921,999.55 = 49,035,122.90/x
  3. Step 3: Cross multiply
    53,947,999.70x = 80,921,999.55 × 49,035,122.90
  4. Step 4: Simplify right side
    53,947,999.70x = 3,968,020,193,247,994.50
  5. Step 5: Solve for x
    x = 3,968,020,193,247,994.50/53,947,999.70
  6. Step 6: Final answer
    x = 73,552,684.35

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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.