Finding the Fourth Proportional to 79,840,085.99, 110,174,721.17 and 44,555,123.82
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Solution
The fourth proportional to 79,840,085.99, 110,174,721.17 and 44,555,123.82 is: 61,483,505.22
Step by Step Solution
- Step 1: Write the proportion equation
79,840,085.99 : 110,174,721.17 = 44,555,123.82 : x - Step 2: Convert to fraction form
79,840,085.99/110,174,721.17 = 44,555,123.82/x - Step 3: Cross multiply
79,840,085.99x = 110,174,721.17 × 44,555,123.82 - Step 4: Simplify right side
79,840,085.99x = 4,908,848,343,753,705 - Step 5: Solve for x
x = 4,908,848,343,753,705/79,840,085.99 - Step 6: Final answer
x = 61,483,505.22
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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.