Finding the Fourth Proportional to 271,248,927.86, 406,873,391.79 and 79,772,703.86
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Solution
The fourth proportional to 271,248,927.86, 406,873,391.79 and 79,772,703.86 is: 119,659,055.79
Step by Step Solution
- Step 1: Write the proportion equation
271,248,927.86 : 406,873,391.79 = 79,772,703.86 : x - Step 2: Convert to fraction form
271,248,927.86/406,873,391.79 = 79,772,703.86/x - Step 3: Cross multiply
271,248,927.86x = 406,873,391.79 × 79,772,703.86 - Step 4: Simplify right side
271,248,927.86x = 32,457,390,591,777,428 - Step 5: Solve for x
x = 32,457,390,591,777,428/271,248,927.86 - Step 6: Final answer
x = 119,659,055.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.