Finding the Fourth Proportional to 88,934,211.18, 122,631,751.35 and 57,936,897.90
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Solution
The fourth proportional to 88,934,211.18, 122,631,751.35 and 57,936,897.90 is: 79,889,427.96
Step by Step Solution
- Step 1: Write the proportion equation
88,934,211.18 : 122,631,751.35 = 57,936,897.90 : x - Step 2: Convert to fraction form
88,934,211.18/122,631,751.35 = 57,936,897.90/x - Step 3: Cross multiply
88,934,211.18x = 122,631,751.35 × 57,936,897.90 - Step 4: Simplify right side
88,934,211.18x = 7,104,903,257,263,137 - Step 5: Solve for x
x = 7,104,903,257,263,137/88,934,211.18 - Step 6: Final answer
x = 79,889,427.96
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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.