Finding the Fourth Proportional to 97,062,599.16, 133,949,692.38 and 57,404,125.80
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Solution
The fourth proportional to 97,062,599.16, 133,949,692.38 and 57,404,125.80 is: 79,219,648.54
Step by Step Solution
- Step 1: Write the proportion equation
97,062,599.16 : 133,949,692.38 = 57,404,125.80 : x - Step 2: Convert to fraction form
97,062,599.16/133,949,692.38 = 57,404,125.80/x - Step 3: Cross multiply
97,062,599.16x = 133,949,692.38 × 57,404,125.80 - Step 4: Simplify right side
97,062,599.16x = 7,689,264,992,252,821 - Step 5: Solve for x
x = 7,689,264,992,252,821/97,062,599.16 - Step 6: Final answer
x = 79,219,648.54
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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.