Home / 69,089,755.19-103,670,499.59-28,179,208.31

Finding the Fourth Proportional to 69,089,755.19, 103,670,499.59 and 28,179,208.31

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Solution

The fourth proportional to 69,089,755.19, 103,670,499.59 and 28,179,208.31 is: 42,283,441.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,089,755.19 : 103,670,499.59 = 28,179,208.31 : x
  2. Step 2: Convert to fraction form
    69,089,755.19/103,670,499.59 = 28,179,208.31/x
  3. Step 3: Cross multiply
    69,089,755.19x = 103,670,499.59 × 28,179,208.31
  4. Step 4: Simplify right side
    69,089,755.19x = 2,921,352,602,889,131
  5. Step 5: Solve for x
    x = 2,921,352,602,889,131/69,089,755.19
  6. Step 6: Final answer
    x = 42,283,441.23

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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.