Finding the Fourth Proportional to 101,771,232.87, 140,444,195.07 and 55,361,376.09
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Solution
The fourth proportional to 101,771,232.87, 140,444,195.07 and 55,361,376.09 is: 76,398,641.18
Step by Step Solution
- Step 1: Write the proportion equation
101,771,232.87 : 140,444,195.07 = 55,361,376.09 : x - Step 2: Convert to fraction form
101,771,232.87/140,444,195.07 = 55,361,376.09/x - Step 3: Cross multiply
101,771,232.87x = 140,444,195.07 × 55,361,376.09 - Step 4: Simplify right side
101,771,232.87x = 7,775,183,902,927,594 - Step 5: Solve for x
x = 7,775,183,902,927,594/101,771,232.87 - Step 6: Final answer
x = 76,398,641.18
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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.