Home / 73,058,448.48-109,603,378.08-21,243,951.52

Finding the Fourth Proportional to 73,058,448.48, 109,603,378.08 and 21,243,951.52

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Solution

The fourth proportional to 73,058,448.48, 109,603,378.08 and 21,243,951.52 is: 31,870,494.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,058,448.48 : 109,603,378.08 = 21,243,951.52 : x
  2. Step 2: Convert to fraction form
    73,058,448.48/109,603,378.08 = 21,243,951.52/x
  3. Step 3: Cross multiply
    73,058,448.48x = 109,603,378.08 × 21,243,951.52
  4. Step 4: Simplify right side
    73,058,448.48x = 2,328,408,850,359,750.50
  5. Step 5: Solve for x
    x = 2,328,408,850,359,750.50/73,058,448.48
  6. Step 6: Final answer
    x = 31,870,494.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.