Home / 151,351,185.73-208,864,628.30-81,736,559.90

Finding the Fourth Proportional to 151,351,185.73, 208,864,628.30 and 81,736,559.90

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Solution

The fourth proportional to 151,351,185.73, 208,864,628.30 and 81,736,559.90 is: 112,796,448.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,351,185.73 : 208,864,628.30 = 81,736,559.90 : x
  2. Step 2: Convert to fraction form
    151,351,185.73/208,864,628.30 = 81,736,559.90/x
  3. Step 3: Cross multiply
    151,351,185.73x = 208,864,628.30 × 81,736,559.90
  4. Step 4: Simplify right side
    151,351,185.73x = 17,071,876,201,625,502
  5. Step 5: Solve for x
    x = 17,071,876,201,625,502/151,351,185.73
  6. Step 6: Final answer
    x = 112,796,448.34

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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.