Finding the Fourth Proportional to 97,806,603.60, 146,709,905.40 and 73,413,461.70
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Solution
The fourth proportional to 97,806,603.60, 146,709,905.40 and 73,413,461.70 is: 110,120,192.55
Step by Step Solution
- Step 1: Write the proportion equation
97,806,603.60 : 146,709,905.40 = 73,413,461.70 : x - Step 2: Convert to fraction form
97,806,603.60/146,709,905.40 = 73,413,461.70/x - Step 3: Cross multiply
97,806,603.60x = 146,709,905.40 × 73,413,461.70 - Step 4: Simplify right side
97,806,603.60x = 10,770,482,021,093,524 - Step 5: Solve for x
x = 10,770,482,021,093,524/97,806,603.60 - Step 6: Final answer
x = 110,120,192.55
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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.