Home / 308,825,254.49-426,072,307.82-197,381,327.54

Finding the Fourth Proportional to 308,825,254.49, 426,072,307.82 and 197,381,327.54

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Solution

The fourth proportional to 308,825,254.49, 426,072,307.82 and 197,381,327.54 is: 272,318,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,825,254.49 : 426,072,307.82 = 197,381,327.54 : x
  2. Step 2: Convert to fraction form
    308,825,254.49/426,072,307.82 = 197,381,327.54/x
  3. Step 3: Cross multiply
    308,825,254.49x = 426,072,307.82 × 197,381,327.54
  4. Step 4: Simplify right side
    308,825,254.49x = 84,098,717,742,425,856
  5. Step 5: Solve for x
    x = 84,098,717,742,425,856/308,825,254.49
  6. Step 6: Final answer
    x = 272,318,136.30

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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.