Home / 68,396,970.96-94,385,991.56-39,027,769.92

Finding the Fourth Proportional to 68,396,970.96, 94,385,991.56 and 39,027,769.92

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Solution

The fourth proportional to 68,396,970.96, 94,385,991.56 and 39,027,769.92 is: 53,857,279.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,396,970.96 : 94,385,991.56 = 39,027,769.92 : x
  2. Step 2: Convert to fraction form
    68,396,970.96/94,385,991.56 = 39,027,769.92/x
  3. Step 3: Cross multiply
    68,396,970.96x = 94,385,991.56 × 39,027,769.92
  4. Step 4: Simplify right side
    68,396,970.96x = 3,683,674,762,274,742
  5. Step 5: Solve for x
    x = 3,683,674,762,274,742/68,396,970.96
  6. Step 6: Final answer
    x = 53,857,279.21

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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.