Home / 199,227,576.89-274,935,011.02-109,919,516.56

Finding the Fourth Proportional to 199,227,576.89, 274,935,011.02 and 109,919,516.56

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Solution

The fourth proportional to 199,227,576.89, 274,935,011.02 and 109,919,516.56 is: 151,689,459.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,227,576.89 : 274,935,011.02 = 109,919,516.56 : x
  2. Step 2: Convert to fraction form
    199,227,576.89/274,935,011.02 = 109,919,516.56/x
  3. Step 3: Cross multiply
    199,227,576.89x = 274,935,011.02 × 109,919,516.56
  4. Step 4: Simplify right side
    199,227,576.89x = 30,220,723,495,696,848
  5. Step 5: Solve for x
    x = 30,220,723,495,696,848/199,227,576.89
  6. Step 6: Final answer
    x = 151,689,459.70

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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.