Home / 190,635,566.25-263,062,643.82-106,987,541.72

Finding the Fourth Proportional to 190,635,566.25, 263,062,643.82 and 106,987,541.72

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Solution

The fourth proportional to 190,635,566.25, 263,062,643.82 and 106,987,541.72 is: 147,634,704.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,635,566.25 : 263,062,643.82 = 106,987,541.72 : x
  2. Step 2: Convert to fraction form
    190,635,566.25/263,062,643.82 = 106,987,541.72/x
  3. Step 3: Cross multiply
    190,635,566.25x = 263,062,643.82 × 106,987,541.72
  4. Step 4: Simplify right side
    190,635,566.25x = 28,144,425,578,949,236
  5. Step 5: Solve for x
    x = 28,144,425,578,949,236/190,635,566.25
  6. Step 6: Final answer
    x = 147,634,704.96

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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.