Home / 212,544,006.70-318,816,010.05-193,396,384.30

Finding the Fourth Proportional to 212,544,006.70, 318,816,010.05 and 193,396,384.30

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Solution

The fourth proportional to 212,544,006.70, 318,816,010.05 and 193,396,384.30 is: 290,094,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,544,006.70 : 318,816,010.05 = 193,396,384.30 : x
  2. Step 2: Convert to fraction form
    212,544,006.70/318,816,010.05 = 193,396,384.30/x
  3. Step 3: Cross multiply
    212,544,006.70x = 318,816,010.05 × 193,396,384.30
  4. Step 4: Simplify right side
    212,544,006.70x = 61,657,863,600,622,472
  5. Step 5: Solve for x
    x = 61,657,863,600,622,472/212,544,006.70
  6. Step 6: Final answer
    x = 290,094,576.45

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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.