Home / 280,200,417.86-419,936,064.42-114,010,247.36

Finding the Fourth Proportional to 280,200,417.86, 419,936,064.42 and 114,010,247.36

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Solution

The fourth proportional to 280,200,417.86, 419,936,064.42 and 114,010,247.36 is: 170,867,034.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,200,417.86 : 419,936,064.42 = 114,010,247.36 : x
  2. Step 2: Convert to fraction form
    280,200,417.86/419,936,064.42 = 114,010,247.36/x
  3. Step 3: Cross multiply
    280,200,417.86x = 419,936,064.42 × 114,010,247.36
  4. Step 4: Simplify right side
    280,200,417.86x = 47,877,014,579,909,096
  5. Step 5: Solve for x
    x = 47,877,014,579,909,096/280,200,417.86
  6. Step 6: Final answer
    x = 170,867,034.91

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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.