Home / 151,942,554.84-209,680,087.95-82,328,212.65

Finding the Fourth Proportional to 151,942,554.84, 209,680,087.95 and 82,328,212.65

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Solution

The fourth proportional to 151,942,554.84, 209,680,087.95 and 82,328,212.65 is: 113,612,587.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,942,554.84 : 209,680,087.95 = 82,328,212.65 : x
  2. Step 2: Convert to fraction form
    151,942,554.84/209,680,087.95 = 82,328,212.65/x
  3. Step 3: Cross multiply
    151,942,554.84x = 209,680,087.95 × 82,328,212.65
  4. Step 4: Simplify right side
    151,942,554.84x = 17,262,586,869,218,302
  5. Step 5: Solve for x
    x = 17,262,586,869,218,302/151,942,554.84
  6. Step 6: Final answer
    x = 113,612,587.91

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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.