Home / 269,698,632.80-403,863,661.20-148,393,032.80

Finding the Fourth Proportional to 269,698,632.80, 403,863,661.20 and 148,393,032.80

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Solution

The fourth proportional to 269,698,632.80, 403,863,661.20 and 148,393,032.80 is: 222,213,041.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,698,632.80 : 403,863,661.20 = 148,393,032.80 : x
  2. Step 2: Convert to fraction form
    269,698,632.80/403,863,661.20 = 148,393,032.80/x
  3. Step 3: Cross multiply
    269,698,632.80x = 403,863,661.20 × 148,393,032.80
  4. Step 4: Simplify right side
    269,698,632.80x = 59,930,553,523,179,688
  5. Step 5: Solve for x
    x = 59,930,553,523,179,688/269,698,632.80
  6. Step 6: Final answer
    x = 222,213,041.65

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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.