Home / 245,608,209.84-338,969,051.02-139,787,355.32

Finding the Fourth Proportional to 245,608,209.84, 338,969,051.02 and 139,787,355.32

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Solution

The fourth proportional to 245,608,209.84, 338,969,051.02 and 139,787,355.32 is: 192,923,466.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,608,209.84 : 338,969,051.02 = 139,787,355.32 : x
  2. Step 2: Convert to fraction form
    245,608,209.84/338,969,051.02 = 139,787,355.32/x
  3. Step 3: Cross multiply
    245,608,209.84x = 338,969,051.02 × 139,787,355.32
  4. Step 4: Simplify right side
    245,608,209.84x = 47,383,587,177,415,944
  5. Step 5: Solve for x
    x = 47,383,587,177,415,944/245,608,209.84
  6. Step 6: Final answer
    x = 192,923,466.23

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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.