Home / 433,076,576.55-649,653,053.10-122,186,912.55

Finding the Fourth Proportional to 433,076,576.55, 649,653,053.10 and 122,186,912.55

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Solution

The fourth proportional to 433,076,576.55, 649,653,053.10 and 122,186,912.55 is: 183,291,143.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,076,576.55 : 649,653,053.10 = 122,186,912.55 : x
  2. Step 2: Convert to fraction form
    433,076,576.55/649,653,053.10 = 122,186,912.55/x
  3. Step 3: Cross multiply
    433,076,576.55x = 649,653,053.10 × 122,186,912.55
  4. Step 4: Simplify right side
    433,076,576.55x = 79,379,100,786,970,208
  5. Step 5: Solve for x
    x = 79,379,100,786,970,208/433,076,576.55
  6. Step 6: Final answer
    x = 183,291,143.15

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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.