Finding the Fourth Proportional to 79,226,203.96, 109,205,832.18 and 62,453,593.36
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Solution
The fourth proportional to 79,226,203.96, 109,205,832.18 and 62,453,593.36 is: 86,086,374.14
Step by Step Solution
- Step 1: Write the proportion equation
79,226,203.96 : 109,205,832.18 = 62,453,593.36 : x - Step 2: Convert to fraction form
79,226,203.96/109,205,832.18 = 62,453,593.36/x - Step 3: Cross multiply
79,226,203.96x = 109,205,832.18 × 62,453,593.36 - Step 4: Simplify right side
79,226,203.96x = 6,820,296,635,510,123 - Step 5: Solve for x
x = 6,820,296,635,510,123/79,226,203.96 - Step 6: Final answer
x = 86,086,374.14
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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.