Home / 86,162,808.72-118,888,413.78-51,358,737.60

Finding the Fourth Proportional to 86,162,808.72, 118,888,413.78 and 51,358,737.60

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Solution

The fourth proportional to 86,162,808.72, 118,888,413.78 and 51,358,737.60 is: 70,865,364.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,162,808.72 : 118,888,413.78 = 51,358,737.60 : x
  2. Step 2: Convert to fraction form
    86,162,808.72/118,888,413.78 = 51,358,737.60/x
  3. Step 3: Cross multiply
    86,162,808.72x = 118,888,413.78 × 51,358,737.60
  4. Step 4: Simplify right side
    86,162,808.72x = 6,105,958,847,007,244
  5. Step 5: Solve for x
    x = 6,105,958,847,007,244/86,162,808.72
  6. Step 6: Final answer
    x = 70,865,364.51

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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.