Home / 245,608,203.14-338,969,041.78-139,787,348.63

Finding the Fourth Proportional to 245,608,203.14, 338,969,041.78 and 139,787,348.63

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Solution

The fourth proportional to 245,608,203.14, 338,969,041.78 and 139,787,348.63 is: 192,923,457.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,608,203.14 : 338,969,041.78 = 139,787,348.63 : x
  2. Step 2: Convert to fraction form
    245,608,203.14/338,969,041.78 = 139,787,348.63/x
  3. Step 3: Cross multiply
    245,608,203.14x = 338,969,041.78 × 139,787,348.63
  4. Step 4: Simplify right side
    245,608,203.14x = 47,383,583,618,575,840
  5. Step 5: Solve for x
    x = 47,383,583,618,575,840/245,608,203.14
  6. Step 6: Final answer
    x = 192,923,457.01

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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.