Home / 31,212,963.40-43,728,008.60-31,212,963.40

Finding the Fourth Proportional to 31,212,963.40, 43,728,008.60 and 31,212,963.40

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Solution

The fourth proportional to 31,212,963.40, 43,728,008.60 and 31,212,963.40 is: 43,728,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,212,963.40 : 43,728,008.60 = 31,212,963.40 : x
  2. Step 2: Convert to fraction form
    31,212,963.40/43,728,008.60 = 31,212,963.40/x
  3. Step 3: Cross multiply
    31,212,963.40x = 43,728,008.60 × 31,212,963.40
  4. Step 4: Simplify right side
    31,212,963.40x = 1,364,880,731,986,685.25
  5. Step 5: Solve for x
    x = 1,364,880,731,986,685.25/31,212,963.40
  6. Step 6: Final answer
    x = 43,728,008.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.