Home / 190,949,405.95-263,464,213.80-111,519,422.47

Finding the Fourth Proportional to 190,949,405.95, 263,464,213.80 and 111,519,422.47

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Solution

The fourth proportional to 190,949,405.95, 263,464,213.80 and 111,519,422.47 is: 153,869,957.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,949,405.95 : 263,464,213.80 = 111,519,422.47 : x
  2. Step 2: Convert to fraction form
    190,949,405.95/263,464,213.80 = 111,519,422.47/x
  3. Step 3: Cross multiply
    190,949,405.95x = 263,464,213.80 × 111,519,422.47
  4. Step 4: Simplify right side
    190,949,405.95x = 29,381,376,964,488,604
  5. Step 5: Solve for x
    x = 29,381,376,964,488,604/190,949,405.95
  6. Step 6: Final answer
    x = 153,869,957.43

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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.