Home / 124,939,983.42-187,427,413.08-52,140,076.74

Finding the Fourth Proportional to 124,939,983.42, 187,427,413.08 and 52,140,076.74

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Solution

The fourth proportional to 124,939,983.42, 187,427,413.08 and 52,140,076.74 is: 78,217,392.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,939,983.42 : 187,427,413.08 = 52,140,076.74 : x
  2. Step 2: Convert to fraction form
    124,939,983.42/187,427,413.08 = 52,140,076.74/x
  3. Step 3: Cross multiply
    124,939,983.42x = 187,427,413.08 × 52,140,076.74
  4. Step 4: Simplify right side
    124,939,983.42x = 9,772,479,701,170,880
  5. Step 5: Solve for x
    x = 9,772,479,701,170,880/124,939,983.42
  6. Step 6: Final answer
    x = 78,217,392.33

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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.