Finding the Fourth Proportional to 130,603,552.62, 195,905,299.74 and 47,611,526.94
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Solution
The fourth proportional to 130,603,552.62, 195,905,299.74 and 47,611,526.94 is: 71,417,279.77
Step by Step Solution
- Step 1: Write the proportion equation
130,603,552.62 : 195,905,299.74 = 47,611,526.94 : x - Step 2: Convert to fraction form
130,603,552.62/195,905,299.74 = 47,611,526.94/x - Step 3: Cross multiply
130,603,552.62x = 195,905,299.74 × 47,611,526.94 - Step 4: Simplify right side
130,603,552.62x = 9,327,350,456,259,784 - Step 5: Solve for x
x = 9,327,350,456,259,784/130,603,552.62 - Step 6: Final answer
x = 71,417,279.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.