Home / 69,904,042.40-105,080,012.40-49,848,183.20

Finding the Fourth Proportional to 69,904,042.40, 105,080,012.40 and 49,848,183.20

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Solution

The fourth proportional to 69,904,042.40, 105,080,012.40 and 49,848,183.20 is: 74,931,971.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,904,042.40 : 105,080,012.40 = 49,848,183.20 : x
  2. Step 2: Convert to fraction form
    69,904,042.40/105,080,012.40 = 49,848,183.20/x
  3. Step 3: Cross multiply
    69,904,042.40x = 105,080,012.40 × 49,848,183.20
  4. Step 4: Simplify right side
    69,904,042.40x = 5,238,047,708,773,472
  5. Step 5: Solve for x
    x = 5,238,047,708,773,472/69,904,042.40
  6. Step 6: Final answer
    x = 74,931,971.44

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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.