Home / 51,302,083.76-70,801,564.06-28,100,550.68

Finding the Fourth Proportional to 51,302,083.76, 70,801,564.06 and 28,100,550.68

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Solution

The fourth proportional to 51,302,083.76, 70,801,564.06 and 28,100,550.68 is: 38,781,328.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,302,083.76 : 70,801,564.06 = 28,100,550.68 : x
  2. Step 2: Convert to fraction form
    51,302,083.76/70,801,564.06 = 28,100,550.68/x
  3. Step 3: Cross multiply
    51,302,083.76x = 70,801,564.06 × 28,100,550.68
  4. Step 4: Simplify right side
    51,302,083.76x = 1,989,562,938,667,037.50
  5. Step 5: Solve for x
    x = 1,989,562,938,667,037.50/51,302,083.76
  6. Step 6: Final answer
    x = 38,781,328.03

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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.