Finding the Fourth Proportional to 98,444,557.41, 135,856,228.49 and 54,394,394.05
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Solution
The fourth proportional to 98,444,557.41, 135,856,228.49 and 54,394,394.05 is: 75,065,777.34
Step by Step Solution
- Step 1: Write the proportion equation
98,444,557.41 : 135,856,228.49 = 54,394,394.05 : x - Step 2: Convert to fraction form
98,444,557.41/135,856,228.49 = 54,394,394.05/x - Step 3: Cross multiply
98,444,557.41x = 135,856,228.49 × 54,394,394.05 - Step 4: Simplify right side
98,444,557.41x = 7,389,817,226,631,897 - Step 5: Solve for x
x = 7,389,817,226,631,897/98,444,557.41 - Step 6: Final answer
x = 75,065,777.34
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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.