Home / 142,164,138.40-213,246,207.60-92,846,413.60

Finding the Fourth Proportional to 142,164,138.40, 213,246,207.60 and 92,846,413.60

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Solution

The fourth proportional to 142,164,138.40, 213,246,207.60 and 92,846,413.60 is: 139,269,620.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,164,138.40 : 213,246,207.60 = 92,846,413.60 : x
  2. Step 2: Convert to fraction form
    142,164,138.40/213,246,207.60 = 92,846,413.60/x
  3. Step 3: Cross multiply
    142,164,138.40x = 213,246,207.60 × 92,846,413.60
  4. Step 4: Simplify right side
    142,164,138.40x = 19,799,145,589,461,060
  5. Step 5: Solve for x
    x = 19,799,145,589,461,060/142,164,138.40
  6. Step 6: Final answer
    x = 139,269,620.40

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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.