Home / 78,452,413.70-117,695,644.25-23,863,580.42

Finding the Fourth Proportional to 78,452,413.70, 117,695,644.25 and 23,863,580.42

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Solution

The fourth proportional to 78,452,413.70, 117,695,644.25 and 23,863,580.42 is: 35,800,548.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,452,413.70 : 117,695,644.25 = 23,863,580.42 : x
  2. Step 2: Convert to fraction form
    78,452,413.70/117,695,644.25 = 23,863,580.42/x
  3. Step 3: Cross multiply
    78,452,413.70x = 117,695,644.25 × 23,863,580.42
  4. Step 4: Simplify right side
    78,452,413.70x = 2,808,639,470,935,789.50
  5. Step 5: Solve for x
    x = 2,808,639,470,935,789.50/78,452,413.70
  6. Step 6: Final answer
    x = 35,800,548.88

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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.