Home / 142,164,137.90-213,246,206.85-92,846,413.10

Finding the Fourth Proportional to 142,164,137.90, 213,246,206.85 and 92,846,413.10

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Solution

The fourth proportional to 142,164,137.90, 213,246,206.85 and 92,846,413.10 is: 139,269,619.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,164,137.90 : 213,246,206.85 = 92,846,413.10 : x
  2. Step 2: Convert to fraction form
    142,164,137.90/213,246,206.85 = 92,846,413.10/x
  3. Step 3: Cross multiply
    142,164,137.90x = 213,246,206.85 × 92,846,413.10
  4. Step 4: Simplify right side
    142,164,137.90x = 19,799,145,413,203,148
  5. Step 5: Solve for x
    x = 19,799,145,413,203,148/142,164,137.90
  6. Step 6: Final answer
    x = 139,269,619.65

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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.