Home / 210,503,576.46-315,731,244.82-55,072,389.54

Finding the Fourth Proportional to 210,503,576.46, 315,731,244.82 and 55,072,389.54

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Solution

The fourth proportional to 210,503,576.46, 315,731,244.82 and 55,072,389.54 is: 82,602,274.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,503,576.46 : 315,731,244.82 = 55,072,389.54 : x
  2. Step 2: Convert to fraction form
    210,503,576.46/315,731,244.82 = 55,072,389.54/x
  3. Step 3: Cross multiply
    210,503,576.46x = 315,731,244.82 × 55,072,389.54
  4. Step 4: Simplify right side
    210,503,576.46x = 17,388,074,104,676,146
  5. Step 5: Solve for x
    x = 17,388,074,104,676,146/210,503,576.46
  6. Step 6: Final answer
    x = 82,602,274.02

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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.