Finding the Fourth Proportional to 67,409,896.13, 93,089,901.96 and 63,737,415.84
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Solution
The fourth proportional to 67,409,896.13, 93,089,901.96 and 63,737,415.84 is: 88,018,379.09
Step by Step Solution
- Step 1: Write the proportion equation
67,409,896.13 : 93,089,901.96 = 63,737,415.84 : x - Step 2: Convert to fraction form
67,409,896.13/93,089,901.96 = 63,737,415.84/x - Step 3: Cross multiply
67,409,896.13x = 93,089,901.96 × 63,737,415.84 - Step 4: Simplify right side
67,409,896.13x = 5,933,309,791,729,351 - Step 5: Solve for x
x = 5,933,309,791,729,351/67,409,896.13 - Step 6: Final answer
x = 88,018,379.09
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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.