Finding the Fourth Proportional to 79,418,420.24, 109,563,423.84 and 49,597,296.64
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Solution
The fourth proportional to 79,418,420.24, 109,563,423.84 and 49,597,296.64 is: 68,423,038.59
Step by Step Solution
- Step 1: Write the proportion equation
79,418,420.24 : 109,563,423.84 = 49,597,296.64 : x - Step 2: Convert to fraction form
79,418,420.24/109,563,423.84 = 49,597,296.64/x - Step 3: Cross multiply
79,418,420.24x = 109,563,423.84 × 49,597,296.64 - Step 4: Simplify right side
79,418,420.24x = 5,434,049,633,086,528 - Step 5: Solve for x
x = 5,434,049,633,086,528/79,418,420.24 - Step 6: Final answer
x = 68,423,038.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.