Home / 76,163,413.76-105,108,524.70-42,673,181.72

Finding the Fourth Proportional to 76,163,413.76, 105,108,524.70 and 42,673,181.72

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Solution

The fourth proportional to 76,163,413.76, 105,108,524.70 and 42,673,181.72 is: 58,890,679.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,163,413.76 : 105,108,524.70 = 42,673,181.72 : x
  2. Step 2: Convert to fraction form
    76,163,413.76/105,108,524.70 = 42,673,181.72/x
  3. Step 3: Cross multiply
    76,163,413.76x = 105,108,524.70 × 42,673,181.72
  4. Step 4: Simplify right side
    76,163,413.76x = 4,485,315,174,844,208.50
  5. Step 5: Solve for x
    x = 4,485,315,174,844,208.50/76,163,413.76
  6. Step 6: Final answer
    x = 58,890,679.31

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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.