Finding the Fourth Proportional to 57,964,176.84, 79,991,181.99 and 31,502,530.53
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Solution
The fourth proportional to 57,964,176.84, 79,991,181.99 and 31,502,530.53 is: 43,473,827.98
Step by Step Solution
- Step 1: Write the proportion equation
57,964,176.84 : 79,991,181.99 = 31,502,530.53 : x - Step 2: Convert to fraction form
57,964,176.84/79,991,181.99 = 31,502,530.53/x - Step 3: Cross multiply
57,964,176.84x = 79,991,181.99 × 31,502,530.53 - Step 4: Simplify right side
57,964,176.84x = 2,519,924,652,650,612 - Step 5: Solve for x
x = 2,519,924,652,650,612/57,964,176.84 - Step 6: Final answer
x = 43,473,827.98
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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.