Home / 76,491,903.06-105,555,754.80-41,683,851.63

Finding the Fourth Proportional to 76,491,903.06, 105,555,754.80 and 41,683,851.63

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Solution

The fourth proportional to 76,491,903.06, 105,555,754.80 and 41,683,851.63 is: 57,522,041.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,491,903.06 : 105,555,754.80 = 41,683,851.63 : x
  2. Step 2: Convert to fraction form
    76,491,903.06/105,555,754.80 = 41,683,851.63/x
  3. Step 3: Cross multiply
    76,491,903.06x = 105,555,754.80 × 41,683,851.63
  4. Step 4: Simplify right side
    76,491,903.06x = 4,399,970,421,775,860.50
  5. Step 5: Solve for x
    x = 4,399,970,421,775,860.50/76,491,903.06
  6. Step 6: Final answer
    x = 57,522,041.49

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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.