Home / 215,448,861.34-323,218,685.88-69,871,071.34

Finding the Fourth Proportional to 215,448,861.34, 323,218,685.88 and 69,871,071.34

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Solution

The fourth proportional to 215,448,861.34, 323,218,685.88 and 69,871,071.34 is: 104,821,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,448,861.34 : 323,218,685.88 = 69,871,071.34 : x
  2. Step 2: Convert to fraction form
    215,448,861.34/323,218,685.88 = 69,871,071.34/x
  3. Step 3: Cross multiply
    215,448,861.34x = 323,218,685.88 × 69,871,071.34
  4. Step 4: Simplify right side
    215,448,861.34x = 22,583,635,859,542,532
  5. Step 5: Solve for x
    x = 22,583,635,859,542,532/215,448,861.34
  6. Step 6: Final answer
    x = 104,821,328.45

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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.