Finding the Fourth Proportional to 84,035,503.17, 115,969,105.22 and 46,357,817.49
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Solution
The fourth proportional to 84,035,503.17, 115,969,105.22 and 46,357,817.49 is: 63,973,849.28
Step by Step Solution
- Step 1: Write the proportion equation
84,035,503.17 : 115,969,105.22 = 46,357,817.49 : x - Step 2: Convert to fraction form
84,035,503.17/115,969,105.22 = 46,357,817.49/x - Step 3: Cross multiply
84,035,503.17x = 115,969,105.22 × 46,357,817.49 - Step 4: Simplify right side
84,035,503.17x = 5,376,074,614,035,578 - Step 5: Solve for x
x = 5,376,074,614,035,578/84,035,503.17 - Step 6: Final answer
x = 63,973,849.28
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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.