Home / 148,608,685.80-222,913,028.70-139,042,747.80

Finding the Fourth Proportional to 148,608,685.80, 222,913,028.70 and 139,042,747.80

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Solution

The fourth proportional to 148,608,685.80, 222,913,028.70 and 139,042,747.80 is: 208,564,121.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,608,685.80 : 222,913,028.70 = 139,042,747.80 : x
  2. Step 2: Convert to fraction form
    148,608,685.80/222,913,028.70 = 139,042,747.80/x
  3. Step 3: Cross multiply
    148,608,685.80x = 222,913,028.70 × 139,042,747.80
  4. Step 4: Simplify right side
    148,608,685.80x = 30,994,440,030,868,264
  5. Step 5: Solve for x
    x = 30,994,440,030,868,264/148,608,685.80
  6. Step 6: Final answer
    x = 208,564,121.70

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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.