Home / 245,608,283.96-338,969,153-139,787,428.14

Finding the Fourth Proportional to 245,608,283.96, 338,969,153 and 139,787,428.14

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Solution

The fourth proportional to 245,608,283.96, 338,969,153 and 139,787,428.14 is: 192,923,566.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,608,283.96 : 338,969,153 = 139,787,428.14 : x
  2. Step 2: Convert to fraction form
    245,608,283.96/338,969,153 = 139,787,428.14/x
  3. Step 3: Cross multiply
    245,608,283.96x = 338,969,153 × 139,787,428.14
  4. Step 4: Simplify right side
    245,608,283.96x = 47,383,626,116,664,160
  5. Step 5: Solve for x
    x = 47,383,626,116,664,160/245,608,283.96
  6. Step 6: Final answer
    x = 192,923,566.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.