Finding the Fourth Proportional to 88,580,679.84, 122,241,169.20 and 49,420,126.56
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Solution
The fourth proportional to 88,580,679.84, 122,241,169.20 and 49,420,126.56 is: 68,199,680.38
Step by Step Solution
- Step 1: Write the proportion equation
88,580,679.84 : 122,241,169.20 = 49,420,126.56 : x - Step 2: Convert to fraction form
88,580,679.84/122,241,169.20 = 49,420,126.56/x - Step 3: Cross multiply
88,580,679.84x = 122,241,169.20 × 49,420,126.56 - Step 4: Simplify right side
88,580,679.84x = 6,041,174,052,706,374 - Step 5: Solve for x
x = 6,041,174,052,706,374/88,580,679.84 - Step 6: Final answer
x = 68,199,680.38
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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.