Home / 209,953,504.80-314,930,257.20-190,821,628.80

Finding the Fourth Proportional to 209,953,504.80, 314,930,257.20 and 190,821,628.80

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Solution

The fourth proportional to 209,953,504.80, 314,930,257.20 and 190,821,628.80 is: 286,232,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,504.80 : 314,930,257.20 = 190,821,628.80 : x
  2. Step 2: Convert to fraction form
    209,953,504.80/314,930,257.20 = 190,821,628.80/x
  3. Step 3: Cross multiply
    209,953,504.80x = 314,930,257.20 × 190,821,628.80
  4. Step 4: Simplify right side
    209,953,504.80x = 60,095,504,637,306,928
  5. Step 5: Solve for x
    x = 60,095,504,637,306,928/209,953,504.80
  6. Step 6: Final answer
    x = 286,232,443.20

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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.