Finding the Fourth Proportional to 155,759,362.23, 215,014,104.21 and 97,051,033.44
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Solution
The fourth proportional to 155,759,362.23, 215,014,104.21 and 97,051,033.44 is: 133,971,664.49
Step by Step Solution
- Step 1: Write the proportion equation
155,759,362.23 : 215,014,104.21 = 97,051,033.44 : x - Step 2: Convert to fraction form
155,759,362.23/215,014,104.21 = 97,051,033.44/x - Step 3: Cross multiply
155,759,362.23x = 215,014,104.21 × 97,051,033.44 - Step 4: Simplify right side
155,759,362.23x = 20,867,341,016,950,052 - Step 5: Solve for x
x = 20,867,341,016,950,052/155,759,362.23 - Step 6: Final answer
x = 133,971,664.49
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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.