Home / 220,018,916.05-330,028,435.23-81,826,467.24

Finding the Fourth Proportional to 220,018,916.05, 330,028,435.23 and 81,826,467.24

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Solution

The fourth proportional to 220,018,916.05, 330,028,435.23 and 81,826,467.24 is: 122,739,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,018,916.05 : 330,028,435.23 = 81,826,467.24 : x
  2. Step 2: Convert to fraction form
    220,018,916.05/330,028,435.23 = 81,826,467.24/x
  3. Step 3: Cross multiply
    220,018,916.05x = 330,028,435.23 × 81,826,467.24
  4. Step 4: Simplify right side
    220,018,916.05x = 27,005,060,943,616,056
  5. Step 5: Solve for x
    x = 27,005,060,943,616,056/220,018,916.05
  6. Step 6: Final answer
    x = 122,739,723.60

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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.