Finding the Fourth Proportional to 84,259,157.66, 116,281,228.62 and 47,089,436.84
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Solution
The fourth proportional to 84,259,157.66, 116,281,228.62 and 47,089,436.84 is: 64,985,429.75
Step by Step Solution
- Step 1: Write the proportion equation
84,259,157.66 : 116,281,228.62 = 47,089,436.84 : x - Step 2: Convert to fraction form
84,259,157.66/116,281,228.62 = 47,089,436.84/x - Step 3: Cross multiply
84,259,157.66x = 116,281,228.62 × 47,089,436.84 - Step 4: Simplify right side
84,259,157.66x = 5,475,617,570,779,091 - Step 5: Solve for x
x = 5,475,617,570,779,091/84,259,157.66 - Step 6: Final answer
x = 64,985,429.75
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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.