Home / 55,308,035.20-76,313,693.76-31,782,027.84

Finding the Fourth Proportional to 55,308,035.20, 76,313,693.76 and 31,782,027.84

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Solution

The fourth proportional to 55,308,035.20, 76,313,693.76 and 31,782,027.84 is: 43,852,650.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,308,035.20 : 76,313,693.76 = 31,782,027.84 : x
  2. Step 2: Convert to fraction form
    55,308,035.20/76,313,693.76 = 31,782,027.84/x
  3. Step 3: Cross multiply
    55,308,035.20x = 76,313,693.76 × 31,782,027.84
  4. Step 4: Simplify right side
    55,308,035.20x = 2,425,403,939,653,554.50
  5. Step 5: Solve for x
    x = 2,425,403,939,653,554.50/55,308,035.20
  6. Step 6: Final answer
    x = 43,852,650.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.