Finding the Fourth Proportional to 104,946,526.99, 144,872,646.75 and 67,794,921.55
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Solution
The fourth proportional to 104,946,526.99, 144,872,646.75 and 67,794,921.55 is: 93,586,991.42
Step by Step Solution
- Step 1: Write the proportion equation
104,946,526.99 : 144,872,646.75 = 67,794,921.55 : x - Step 2: Convert to fraction form
104,946,526.99/144,872,646.75 = 67,794,921.55/x - Step 3: Cross multiply
104,946,526.99x = 144,872,646.75 × 67,794,921.55 - Step 4: Simplify right side
104,946,526.99x = 9,821,629,721,157,112 - Step 5: Solve for x
x = 9,821,629,721,157,112/104,946,526.99 - Step 6: Final answer
x = 93,586,991.42
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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.