Finding the Fourth Proportional to 75,239,735.63, 103,831,202.93 and 42,201,750.42
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Solution
The fourth proportional to 75,239,735.63, 103,831,202.93 and 42,201,750.42 is: 58,238,621.86
Step by Step Solution
- Step 1: Write the proportion equation
75,239,735.63 : 103,831,202.93 = 42,201,750.42 : x - Step 2: Convert to fraction form
75,239,735.63/103,831,202.93 = 42,201,750.42/x - Step 3: Cross multiply
75,239,735.63x = 103,831,202.93 × 42,201,750.42 - Step 4: Simplify right side
75,239,735.63x = 4,381,858,511,649,224 - Step 5: Solve for x
x = 4,381,858,511,649,224/75,239,735.63 - Step 6: Final answer
x = 58,238,621.86
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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.