Home / 76,664,586.30-114,996,879.45-46,431,498.30

Finding the Fourth Proportional to 76,664,586.30, 114,996,879.45 and 46,431,498.30

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Solution

The fourth proportional to 76,664,586.30, 114,996,879.45 and 46,431,498.30 is: 69,647,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,664,586.30 : 114,996,879.45 = 46,431,498.30 : x
  2. Step 2: Convert to fraction form
    76,664,586.30/114,996,879.45 = 46,431,498.30/x
  3. Step 3: Cross multiply
    76,664,586.30x = 114,996,879.45 × 46,431,498.30
  4. Step 4: Simplify right side
    76,664,586.30x = 5,339,477,412,687,980
  5. Step 5: Solve for x
    x = 5,339,477,412,687,980/76,664,586.30
  6. Step 6: Final answer
    x = 69,647,247.45

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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.