Finding the Fourth Proportional to 139,872,633,586.96, 193,024,815,909.96 and 75,643,357,895.68
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Solution
The fourth proportional to 139,872,633,586.96, 193,024,815,909.96 and 75,643,357,895.68 is: 104,388,148,404.65
Step by Step Solution
- Step 1: Write the proportion equation
139,872,633,586.96 : 193,024,815,909.96 = 75,643,357,895.68 : x - Step 2: Convert to fraction form
139,872,633,586.96/193,024,815,909.96 = 75,643,357,895.68/x - Step 3: Cross multiply
139,872,633,586.96x = 193,024,815,909.96 × 75,643,357,895.68 - Step 4: Simplify right side
139,872,633,586.96x = 14,601,045,232,624,848,601,088 - Step 5: Solve for x
x = 14,601,045,232,624,848,601,088/139,872,633,586.96 - Step 6: Final answer
x = 104,388,148,404.65
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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.