Home / 101,187,272.54-139,638,406.73-54,777,492.29

Finding the Fourth Proportional to 101,187,272.54, 139,638,406.73 and 54,777,492.29

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Solution

The fourth proportional to 101,187,272.54, 139,638,406.73 and 54,777,492.29 is: 75,592,923.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,187,272.54 : 139,638,406.73 = 54,777,492.29 : x
  2. Step 2: Convert to fraction form
    101,187,272.54/139,638,406.73 = 54,777,492.29/x
  3. Step 3: Cross multiply
    101,187,272.54x = 139,638,406.73 × 54,777,492.29
  4. Step 4: Simplify right side
    101,187,272.54x = 7,649,041,747,068,379
  5. Step 5: Solve for x
    x = 7,649,041,747,068,379/101,187,272.54
  6. Step 6: Final answer
    x = 75,592,923.45

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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.