Home / 117,424,413.20-176,136,619.80-31,176,131.60

Finding the Fourth Proportional to 117,424,413.20, 176,136,619.80 and 31,176,131.60

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Solution

The fourth proportional to 117,424,413.20, 176,136,619.80 and 31,176,131.60 is: 46,764,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,424,413.20 : 176,136,619.80 = 31,176,131.60 : x
  2. Step 2: Convert to fraction form
    117,424,413.20/176,136,619.80 = 31,176,131.60/x
  3. Step 3: Cross multiply
    117,424,413.20x = 176,136,619.80 × 31,176,131.60
  4. Step 4: Simplify right side
    117,424,413.20x = 5,491,258,438,463,966
  5. Step 5: Solve for x
    x = 5,491,258,438,463,966/117,424,413.20
  6. Step 6: Final answer
    x = 46,764,197.40

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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.