Home / 219,638,778.56-329,456,690.40-55,875,129.92

Finding the Fourth Proportional to 219,638,778.56, 329,456,690.40 and 55,875,129.92

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Solution

The fourth proportional to 219,638,778.56, 329,456,690.40 and 55,875,129.92 is: 83,812,319.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,638,778.56 : 329,456,690.40 = 55,875,129.92 : x
  2. Step 2: Convert to fraction form
    219,638,778.56/329,456,690.40 = 55,875,129.92/x
  3. Step 3: Cross multiply
    219,638,778.56x = 329,456,690.40 × 55,875,129.92
  4. Step 4: Simplify right side
    219,638,778.56x = 18,408,435,379,113,216
  5. Step 5: Solve for x
    x = 18,408,435,379,113,216/219,638,778.56
  6. Step 6: Final answer
    x = 83,812,319.03

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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.