Home / 49,925,846.40-74,896,027.20-21,171,926.40

Finding the Fourth Proportional to 49,925,846.40, 74,896,027.20 and 21,171,926.40

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Solution

The fourth proportional to 49,925,846.40, 74,896,027.20 and 21,171,926.40 is: 31,760,967.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,925,846.40 : 74,896,027.20 = 21,171,926.40 : x
  2. Step 2: Convert to fraction form
    49,925,846.40/74,896,027.20 = 21,171,926.40/x
  3. Step 3: Cross multiply
    49,925,846.40x = 74,896,027.20 × 21,171,926.40
  4. Step 4: Simplify right side
    49,925,846.40x = 1,585,693,175,530,798
  5. Step 5: Solve for x
    x = 1,585,693,175,530,798/49,925,846.40
  6. Step 6: Final answer
    x = 31,760,967.31

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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.