Finding the Fourth Proportional to 85,388,741.31, 117,835,056.32 and 46,230,204.99
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Solution
The fourth proportional to 85,388,741.31, 117,835,056.32 and 46,230,204.99 is: 63,796,921.29
Step by Step Solution
- Step 1: Write the proportion equation
85,388,741.31 : 117,835,056.32 = 46,230,204.99 : x - Step 2: Convert to fraction form
85,388,741.31/117,835,056.32 = 46,230,204.99/x - Step 3: Cross multiply
85,388,741.31x = 117,835,056.32 × 46,230,204.99 - Step 4: Simplify right side
85,388,741.31x = 5,447,538,808,681,795 - Step 5: Solve for x
x = 5,447,538,808,681,795/85,388,741.31 - Step 6: Final answer
x = 63,796,921.29
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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.