Home / 69,089,774.89-103,670,529.05-28,179,228.01

Finding the Fourth Proportional to 69,089,774.89, 103,670,529.05 and 28,179,228.01

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Solution

The fourth proportional to 69,089,774.89, 103,670,529.05 and 28,179,228.01 is: 42,283,470.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,089,774.89 : 103,670,529.05 = 28,179,228.01 : x
  2. Step 2: Convert to fraction form
    69,089,774.89/103,670,529.05 = 28,179,228.01/x
  3. Step 3: Cross multiply
    69,089,774.89x = 103,670,529.05 × 28,179,228.01
  4. Step 4: Simplify right side
    69,089,774.89x = 2,921,355,476,017,279
  5. Step 5: Solve for x
    x = 2,921,355,476,017,279/69,089,774.89
  6. Step 6: Final answer
    x = 42,283,470.75

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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.