Home / 125,850,936.96-173,683,021.77-76,293,399.51

Finding the Fourth Proportional to 125,850,936.96, 173,683,021.77 and 76,293,399.51

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Solution

The fourth proportional to 125,850,936.96, 173,683,021.77 and 76,293,399.51 is: 105,290,182.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,850,936.96 : 173,683,021.77 = 76,293,399.51 : x
  2. Step 2: Convert to fraction form
    125,850,936.96/173,683,021.77 = 76,293,399.51/x
  3. Step 3: Cross multiply
    125,850,936.96x = 173,683,021.77 × 76,293,399.51
  4. Step 4: Simplify right side
    125,850,936.96x = 13,250,868,168,002,640
  5. Step 5: Solve for x
    x = 13,250,868,168,002,640/125,850,936.96
  6. Step 6: Final answer
    x = 105,290,182.88

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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.