Home / 251,583,324,498.48-377,427,994,045.38-81,589,658,401.02

Finding the Fourth Proportional to 251,583,324,498.48, 377,427,994,045.38 and 81,589,658,401.02

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Solution

The fourth proportional to 251,583,324,498.48, 377,427,994,045.38 and 81,589,658,401.02 is: 122,401,678,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,583,324,498.48 : 377,427,994,045.38 = 81,589,658,401.02 : x
  2. Step 2: Convert to fraction form
    251,583,324,498.48/377,427,994,045.38 = 81,589,658,401.02/x
  3. Step 3: Cross multiply
    251,583,324,498.48x = 377,427,994,045.38 × 81,589,658,401.02
  4. Step 4: Simplify right side
    251,583,324,498.48x = 30,794,221,105,144,766,922,752
  5. Step 5: Solve for x
    x = 30,794,221,105,144,766,922,752/251,583,324,498.48
  6. Step 6: Final answer
    x = 122,401,678,118.10

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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.