Home / 65,769,413.20-98,512,402.20-54,432,005.20

Finding the Fourth Proportional to 65,769,413.20, 98,512,402.20 and 54,432,005.20

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Solution

The fourth proportional to 65,769,413.20, 98,512,402.20 and 54,432,005.20 is: 81,530,719.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,769,413.20 : 98,512,402.20 = 54,432,005.20 : x
  2. Step 2: Convert to fraction form
    65,769,413.20/98,512,402.20 = 54,432,005.20/x
  3. Step 3: Cross multiply
    65,769,413.20x = 98,512,402.20 × 54,432,005.20
  4. Step 4: Simplify right side
    65,769,413.20x = 5,362,227,588,814,892
  5. Step 5: Solve for x
    x = 5,362,227,588,814,892/65,769,413.20
  6. Step 6: Final answer
    x = 81,530,719.64

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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.