Home / 55,280,828.45-76,289,850.59-30,502,622.68

Finding the Fourth Proportional to 55,280,828.45, 76,289,850.59 and 30,502,622.68

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Solution

The fourth proportional to 55,280,828.45, 76,289,850.59 and 30,502,622.68 is: 42,094,892.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,280,828.45 : 76,289,850.59 = 30,502,622.68 : x
  2. Step 2: Convert to fraction form
    55,280,828.45/76,289,850.59 = 30,502,622.68/x
  3. Step 3: Cross multiply
    55,280,828.45x = 76,289,850.59 × 30,502,622.68
  4. Step 4: Simplify right side
    55,280,828.45x = 2,327,040,526,517,107.50
  5. Step 5: Solve for x
    x = 2,327,040,526,517,107.50/55,280,828.45
  6. Step 6: Final answer
    x = 42,094,892.42

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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.