Home / 251,254,362.44-376,881,675.14-78,744,611.64

Finding the Fourth Proportional to 251,254,362.44, 376,881,675.14 and 78,744,611.64

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Solution

The fourth proportional to 251,254,362.44, 376,881,675.14 and 78,744,611.64 is: 118,116,958.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,254,362.44 : 376,881,675.14 = 78,744,611.64 : x
  2. Step 2: Convert to fraction form
    251,254,362.44/376,881,675.14 = 78,744,611.64/x
  3. Step 3: Cross multiply
    251,254,362.44x = 376,881,675.14 × 78,744,611.64
  4. Step 4: Simplify right side
    251,254,362.44x = 29,677,401,143,131,940
  5. Step 5: Solve for x
    x = 29,677,401,143,131,940/251,254,362.44
  6. Step 6: Final answer
    x = 118,116,958.67

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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.