Home / 149,454,798.06-206,222,078.73-86,716,513.41

Finding the Fourth Proportional to 149,454,798.06, 206,222,078.73 and 86,716,513.41

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Solution

The fourth proportional to 149,454,798.06, 206,222,078.73 and 86,716,513.41 is: 119,653,968.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,454,798.06 : 206,222,078.73 = 86,716,513.41 : x
  2. Step 2: Convert to fraction form
    149,454,798.06/206,222,078.73 = 86,716,513.41/x
  3. Step 3: Cross multiply
    149,454,798.06x = 206,222,078.73 × 86,716,513.41
  4. Step 4: Simplify right side
    149,454,798.06x = 17,882,859,655,628,120
  5. Step 5: Solve for x
    x = 17,882,859,655,628,120/149,454,798.06
  6. Step 6: Final answer
    x = 119,653,968.21

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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.