Home / 69,871,769.19-96,423,423.89-40,520,504.09

Finding the Fourth Proportional to 69,871,769.19, 96,423,423.89 and 40,520,504.09

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Solution

The fourth proportional to 69,871,769.19, 96,423,423.89 and 40,520,504.09 is: 55,918,517.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,871,769.19 : 96,423,423.89 = 40,520,504.09 : x
  2. Step 2: Convert to fraction form
    69,871,769.19/96,423,423.89 = 40,520,504.09/x
  3. Step 3: Cross multiply
    69,871,769.19x = 96,423,423.89 × 40,520,504.09
  4. Step 4: Simplify right side
    69,871,769.19x = 3,907,125,741,421,829.50
  5. Step 5: Solve for x
    x = 3,907,125,741,421,829.50/69,871,769.19
  6. Step 6: Final answer
    x = 55,918,517.40

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