Home / 123,850,683.72-170,903,443.84-68,093,109

Finding the Fourth Proportional to 123,850,683.72, 170,903,443.84 and 68,093,109

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Solution

The fourth proportional to 123,850,683.72, 170,903,443.84 and 68,093,109 is: 93,962,717.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,850,683.72 : 170,903,443.84 = 68,093,109 : x
  2. Step 2: Convert to fraction form
    123,850,683.72/170,903,443.84 = 68,093,109/x
  3. Step 3: Cross multiply
    123,850,683.72x = 170,903,443.84 × 68,093,109
  4. Step 4: Simplify right side
    123,850,683.72x = 11,637,346,829,872,498
  5. Step 5: Solve for x
    x = 11,637,346,829,872,498/123,850,683.72
  6. Step 6: Final answer
    x = 93,962,717.69

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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.