Home / 101,187,428.22-139,638,621.51-54,777,648.06

Finding the Fourth Proportional to 101,187,428.22, 139,638,621.51 and 54,777,648.06

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Solution

The fourth proportional to 101,187,428.22, 139,638,621.51 and 54,777,648.06 is: 75,593,138.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,187,428.22 : 139,638,621.51 = 54,777,648.06 : x
  2. Step 2: Convert to fraction form
    101,187,428.22/139,638,621.51 = 54,777,648.06/x
  3. Step 3: Cross multiply
    101,187,428.22x = 139,638,621.51 × 54,777,648.06
  4. Step 4: Simplify right side
    101,187,428.22x = 7,649,075,264,658,326
  5. Step 5: Solve for x
    x = 7,649,075,264,658,326/101,187,428.22
  6. Step 6: Final answer
    x = 75,593,138.39

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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.