Home / 245,608,210.84-338,969,052.40-139,787,356.32

Finding the Fourth Proportional to 245,608,210.84, 338,969,052.40 and 139,787,356.32

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Solution

The fourth proportional to 245,608,210.84, 338,969,052.40 and 139,787,356.32 is: 192,923,467.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,608,210.84 : 338,969,052.40 = 139,787,356.32 : x
  2. Step 2: Convert to fraction form
    245,608,210.84/338,969,052.40 = 139,787,356.32/x
  3. Step 3: Cross multiply
    245,608,210.84x = 338,969,052.40 × 139,787,356.32
  4. Step 4: Simplify right side
    245,608,210.84x = 47,383,587,709,291,544
  5. Step 5: Solve for x
    x = 47,383,587,709,291,544/245,608,210.84
  6. Step 6: Final answer
    x = 192,923,467.61

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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.