Home / 57,644,961.40-86,467,442.10-55,157,030.20

Finding the Fourth Proportional to 57,644,961.40, 86,467,442.10 and 55,157,030.20

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Solution

The fourth proportional to 57,644,961.40, 86,467,442.10 and 55,157,030.20 is: 82,735,545.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,644,961.40 : 86,467,442.10 = 55,157,030.20 : x
  2. Step 2: Convert to fraction form
    57,644,961.40/86,467,442.10 = 55,157,030.20/x
  3. Step 3: Cross multiply
    57,644,961.40x = 86,467,442.10 × 55,157,030.20
  4. Step 4: Simplify right side
    57,644,961.40x = 4,769,287,315,226,451
  5. Step 5: Solve for x
    x = 4,769,287,315,226,451/57,644,961.40
  6. Step 6: Final answer
    x = 82,735,545.30

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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.