Finding the Fourth Proportional to 97,062,599.28, 133,949,691.96 and 57,404,125.98
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Solution
The fourth proportional to 97,062,599.28, 133,949,691.96 and 57,404,125.98 is: 79,219,648.45
Step by Step Solution
- Step 1: Write the proportion equation
97,062,599.28 : 133,949,691.96 = 57,404,125.98 : x - Step 2: Convert to fraction form
97,062,599.28/133,949,691.96 = 57,404,125.98/x - Step 3: Cross multiply
97,062,599.28x = 133,949,691.96 × 57,404,125.98 - Step 4: Simplify right side
97,062,599.28x = 7,689,264,992,254,032 - Step 5: Solve for x
x = 7,689,264,992,254,032/97,062,599.28 - Step 6: Final answer
x = 79,219,648.45
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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.