Home / 51,539,413.75-77,309,120.67-15,637,621.75

Finding the Fourth Proportional to 51,539,413.75, 77,309,120.67 and 15,637,621.75

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Solution

The fourth proportional to 51,539,413.75, 77,309,120.67 and 15,637,621.75 is: 23,456,432.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,539,413.75 : 77,309,120.67 = 15,637,621.75 : x
  2. Step 2: Convert to fraction form
    51,539,413.75/77,309,120.67 = 15,637,621.75/x
  3. Step 3: Cross multiply
    51,539,413.75x = 77,309,120.67 × 15,637,621.75
  4. Step 4: Simplify right side
    51,539,413.75x = 1,208,930,786,862,566.50
  5. Step 5: Solve for x
    x = 1,208,930,786,862,566.50/51,539,413.75
  6. Step 6: Final answer
    x = 23,456,432.64

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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.