Home / 215,519,343-323,281,816.02-71,912,175

Finding the Fourth Proportional to 215,519,343, 323,281,816.02 and 71,912,175

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Solution

The fourth proportional to 215,519,343, 323,281,816.02 and 71,912,175 is: 107,869,197.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,519,343 : 323,281,816.02 = 71,912,175 : x
  2. Step 2: Convert to fraction form
    215,519,343/323,281,816.02 = 71,912,175/x
  3. Step 3: Cross multiply
    215,519,343x = 323,281,816.02 × 71,912,175
  4. Step 4: Simplify right side
    215,519,343x = 23,247,898,527,948,044
  5. Step 5: Solve for x
    x = 23,247,898,527,948,044/215,519,343
  6. Step 6: Final answer
    x = 107,869,197.28

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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.