Home / 140,865,698.10-194,365,553.37-81,325,962.47

Finding the Fourth Proportional to 140,865,698.10, 194,365,553.37 and 81,325,962.47

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Solution

The fourth proportional to 140,865,698.10, 194,365,553.37 and 81,325,962.47 is: 112,213,022.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,865,698.10 : 194,365,553.37 = 81,325,962.47 : x
  2. Step 2: Convert to fraction form
    140,865,698.10/194,365,553.37 = 81,325,962.47/x
  3. Step 3: Cross multiply
    140,865,698.10x = 194,365,553.37 × 81,325,962.47
  4. Step 4: Simplify right side
    140,865,698.10x = 15,806,965,698,397,260
  5. Step 5: Solve for x
    x = 15,806,965,698,397,260/140,865,698.10
  6. Step 6: Final answer
    x = 112,213,022.13

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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.