Home / 140,660,164.07-210,877,569.10-66,846,896.56

Finding the Fourth Proportional to 140,660,164.07, 210,877,569.10 and 66,846,896.56

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Solution

The fourth proportional to 140,660,164.07, 210,877,569.10 and 66,846,896.56 is: 100,216,796.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,660,164.07 : 210,877,569.10 = 66,846,896.56 : x
  2. Step 2: Convert to fraction form
    140,660,164.07/210,877,569.10 = 66,846,896.56/x
  3. Step 3: Cross multiply
    140,660,164.07x = 210,877,569.10 × 66,846,896.56
  4. Step 4: Simplify right side
    140,660,164.07x = 14,096,511,048,451,952
  5. Step 5: Solve for x
    x = 14,096,511,048,451,952/140,660,164.07
  6. Step 6: Final answer
    x = 100,216,796.57

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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.