Home / 251,077,409.72-376,609,152.64-66,846,466.43

Finding the Fourth Proportional to 251,077,409.72, 376,609,152.64 and 66,846,466.43

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Solution

The fourth proportional to 251,077,409.72, 376,609,152.64 and 66,846,466.43 is: 100,267,846.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,077,409.72 : 376,609,152.64 = 66,846,466.43 : x
  2. Step 2: Convert to fraction form
    251,077,409.72/376,609,152.64 = 66,846,466.43/x
  3. Step 3: Cross multiply
    251,077,409.72x = 376,609,152.64 × 66,846,466.43
  4. Step 4: Simplify right side
    251,077,409.72x = 25,174,991,078,846,272
  5. Step 5: Solve for x
    x = 25,174,991,078,846,272/251,077,409.72
  6. Step 6: Final answer
    x = 100,267,846.11

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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.