Home / 51,071,010.15-76,600,856.36-18,280,269.39

Finding the Fourth Proportional to 51,071,010.15, 76,600,856.36 and 18,280,269.39

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Solution

The fourth proportional to 51,071,010.15, 76,600,856.36 and 18,280,269.39 is: 27,418,378.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,071,010.15 : 76,600,856.36 = 18,280,269.39 : x
  2. Step 2: Convert to fraction form
    51,071,010.15/76,600,856.36 = 18,280,269.39/x
  3. Step 3: Cross multiply
    51,071,010.15x = 76,600,856.36 × 18,280,269.39
  4. Step 4: Simplify right side
    51,071,010.15x = 1,400,284,289,674,093.50
  5. Step 5: Solve for x
    x = 1,400,284,289,674,093.50/51,071,010.15
  6. Step 6: Final answer
    x = 27,418,378.56

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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.