Home / 251,296,994.10-376,980,920.55-78,755,816.10

Finding the Fourth Proportional to 251,296,994.10, 376,980,920.55 and 78,755,816.10

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Solution

The fourth proportional to 251,296,994.10, 376,980,920.55 and 78,755,816.10 is: 118,144,827.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,296,994.10 : 376,980,920.55 = 78,755,816.10 : x
  2. Step 2: Convert to fraction form
    251,296,994.10/376,980,920.55 = 78,755,816.10/x
  3. Step 3: Cross multiply
    251,296,994.10x = 376,980,920.55 × 78,755,816.10
  4. Step 4: Simplify right side
    251,296,994.10x = 29,689,440,052,044,508
  5. Step 5: Solve for x
    x = 29,689,440,052,044,508/251,296,994.10
  6. Step 6: Final answer
    x = 118,144,827.63

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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.