Home / 194,055,821.20-291,083,731.80-191,504,904.40

Finding the Fourth Proportional to 194,055,821.20, 291,083,731.80 and 191,504,904.40

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Solution

The fourth proportional to 194,055,821.20, 291,083,731.80 and 191,504,904.40 is: 287,257,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,055,821.20 : 291,083,731.80 = 191,504,904.40 : x
  2. Step 2: Convert to fraction form
    194,055,821.20/291,083,731.80 = 191,504,904.40/x
  3. Step 3: Cross multiply
    194,055,821.20x = 291,083,731.80 × 191,504,904.40
  4. Step 4: Simplify right side
    194,055,821.20x = 55,743,962,230,754,240
  5. Step 5: Solve for x
    x = 55,743,962,230,754,240/194,055,821.20
  6. Step 6: Final answer
    x = 287,257,356.60

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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.