Home / 45,407,112.66-68,131,926.95-19,844,800.56

Finding the Fourth Proportional to 45,407,112.66, 68,131,926.95 and 19,844,800.56

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Solution

The fourth proportional to 45,407,112.66, 68,131,926.95 and 19,844,800.56 is: 29,776,491.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,407,112.66 : 68,131,926.95 = 19,844,800.56 : x
  2. Step 2: Convert to fraction form
    45,407,112.66/68,131,926.95 = 19,844,800.56/x
  3. Step 3: Cross multiply
    45,407,112.66x = 68,131,926.95 × 19,844,800.56
  4. Step 4: Simplify right side
    45,407,112.66x = 1,352,064,501,992,014.75
  5. Step 5: Solve for x
    x = 1,352,064,501,992,014.75/45,407,112.66
  6. Step 6: Final answer
    x = 29,776,491.45

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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.