Home / 47,139,698.97-65,058,447.74-28,554,293.78

Finding the Fourth Proportional to 47,139,698.97, 65,058,447.74 and 28,554,293.78

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Solution

The fourth proportional to 47,139,698.97, 65,058,447.74 and 28,554,293.78 is: 39,408,355.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,139,698.97 : 65,058,447.74 = 28,554,293.78 : x
  2. Step 2: Convert to fraction form
    47,139,698.97/65,058,447.74 = 28,554,293.78/x
  3. Step 3: Cross multiply
    47,139,698.97x = 65,058,447.74 × 28,554,293.78
  4. Step 4: Simplify right side
    47,139,698.97x = 1,857,698,029,638,737.25
  5. Step 5: Solve for x
    x = 1,857,698,029,638,737.25/47,139,698.97
  6. Step 6: Final answer
    x = 39,408,355.81

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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.