Home / 140,865,709.14-194,365,568.61-81,325,973.51

Finding the Fourth Proportional to 140,865,709.14, 194,365,568.61 and 81,325,973.51

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Solution

The fourth proportional to 140,865,709.14, 194,365,568.61 and 81,325,973.51 is: 112,213,037.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,865,709.14 : 194,365,568.61 = 81,325,973.51 : x
  2. Step 2: Convert to fraction form
    140,865,709.14/194,365,568.61 = 81,325,973.51/x
  3. Step 3: Cross multiply
    140,865,709.14x = 194,365,568.61 × 81,325,973.51
  4. Step 4: Simplify right side
    140,865,709.14x = 15,806,969,084,032,950
  5. Step 5: Solve for x
    x = 15,806,969,084,032,950/140,865,709.14
  6. Step 6: Final answer
    x = 112,213,037.37

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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.