Finding the Fourth Proportional to 271,248,925.61, 406,873,388.42 and 79,772,701.61
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Solution
The fourth proportional to 271,248,925.61, 406,873,388.42 and 79,772,701.61 is: 119,659,052.41
Step by Step Solution
- Step 1: Write the proportion equation
271,248,925.61 : 406,873,388.42 = 79,772,701.61 : x - Step 2: Convert to fraction form
271,248,925.61/406,873,388.42 = 79,772,701.61/x - Step 3: Cross multiply
271,248,925.61x = 406,873,388.42 × 79,772,701.61 - Step 4: Simplify right side
271,248,925.61x = 32,457,389,405,045,064 - Step 5: Solve for x
x = 32,457,389,405,045,064/271,248,925.61 - Step 6: Final answer
x = 119,659,052.41
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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.