Home / 69,871,769.43-96,423,424.23-40,520,504.34

Finding the Fourth Proportional to 69,871,769.43, 96,423,424.23 and 40,520,504.34

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Solution

The fourth proportional to 69,871,769.43, 96,423,424.23 and 40,520,504.34 is: 55,918,517.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,871,769.43 : 96,423,424.23 = 40,520,504.34 : x
  2. Step 2: Convert to fraction form
    69,871,769.43/96,423,424.23 = 40,520,504.34/x
  3. Step 3: Cross multiply
    69,871,769.43x = 96,423,424.23 × 40,520,504.34
  4. Step 4: Simplify right side
    69,871,769.43x = 3,907,125,779,989,376.50
  5. Step 5: Solve for x
    x = 3,907,125,779,989,376.50/69,871,769.43
  6. Step 6: Final answer
    x = 55,918,517.76

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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.