Home / 102,528,008.40-153,792,012.60-53,939,413.20

Finding the Fourth Proportional to 102,528,008.40, 153,792,012.60 and 53,939,413.20

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Solution

The fourth proportional to 102,528,008.40, 153,792,012.60 and 53,939,413.20 is: 80,909,119.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,528,008.40 : 153,792,012.60 = 53,939,413.20 : x
  2. Step 2: Convert to fraction form
    102,528,008.40/153,792,012.60 = 53,939,413.20/x
  3. Step 3: Cross multiply
    102,528,008.40x = 153,792,012.60 × 53,939,413.20
  4. Step 4: Simplify right side
    102,528,008.40x = 8,295,450,914,491,006
  5. Step 5: Solve for x
    x = 8,295,450,914,491,006/102,528,008.40
  6. Step 6: Final answer
    x = 80,909,119.80

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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.