Home / 251,972,166.60-377,958,249.90-208,925,445.60

Finding the Fourth Proportional to 251,972,166.60, 377,958,249.90 and 208,925,445.60

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Solution

The fourth proportional to 251,972,166.60, 377,958,249.90 and 208,925,445.60 is: 313,388,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,972,166.60 : 377,958,249.90 = 208,925,445.60 : x
  2. Step 2: Convert to fraction form
    251,972,166.60/377,958,249.90 = 208,925,445.60/x
  3. Step 3: Cross multiply
    251,972,166.60x = 377,958,249.90 × 208,925,445.60
  4. Step 4: Simplify right side
    251,972,166.60x = 78,965,095,778,553,648
  5. Step 5: Solve for x
    x = 78,965,095,778,553,648/251,972,166.60
  6. Step 6: Final answer
    x = 313,388,168.40

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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.