Home / 215,448,996.52-323,218,889.03-69,871,206.88

Finding the Fourth Proportional to 215,448,996.52, 323,218,889.03 and 69,871,206.88

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Solution

The fourth proportional to 215,448,996.52, 323,218,889.03 and 69,871,206.88 is: 104,821,531.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,448,996.52 : 323,218,889.03 = 69,871,206.88 : x
  2. Step 2: Convert to fraction form
    215,448,996.52/323,218,889.03 = 69,871,206.88/x
  3. Step 3: Cross multiply
    215,448,996.52x = 323,218,889.03 × 69,871,206.88
  4. Step 4: Simplify right side
    215,448,996.52x = 22,583,693,862,938,888
  5. Step 5: Solve for x
    x = 22,583,693,862,938,888/215,448,996.52
  6. Step 6: Final answer
    x = 104,821,531.91

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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.