Finding the Fourth Proportional to 302,623,957.36, 417,608,157.96 and 168,654,744.93
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Solution
The fourth proportional to 302,623,957.36, 417,608,157.96 and 168,654,744.93 is: 232,736,356.95
Step by Step Solution
- Step 1: Write the proportion equation
302,623,957.36 : 417,608,157.96 = 168,654,744.93 : x - Step 2: Convert to fraction form
302,623,957.36/417,608,157.96 = 168,654,744.93/x - Step 3: Cross multiply
302,623,957.36x = 417,608,157.96 × 168,654,744.93 - Step 4: Simplify right side
302,623,957.36x = 70,431,597,363,239,616 - Step 5: Solve for x
x = 70,431,597,363,239,616/302,623,957.36 - Step 6: Final answer
x = 232,736,356.95
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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.