Home / 210,370,361.94-290,339,936.97-121,060,471.69

Finding the Fourth Proportional to 210,370,361.94, 290,339,936.97 and 121,060,471.69

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Solution

The fourth proportional to 210,370,361.94, 290,339,936.97 and 121,060,471.69 is: 167,080,045.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,370,361.94 : 290,339,936.97 = 121,060,471.69 : x
  2. Step 2: Convert to fraction form
    210,370,361.94/290,339,936.97 = 121,060,471.69/x
  3. Step 3: Cross multiply
    210,370,361.94x = 290,339,936.97 × 121,060,471.69
  4. Step 4: Simplify right side
    210,370,361.94x = 35,148,689,720,033,072
  5. Step 5: Solve for x
    x = 35,148,689,720,033,072/210,370,361.94
  6. Step 6: Final answer
    x = 167,080,045.86

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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.