Finding the Fourth Proportional to 97,843,436.60, 135,024,029.39 and 53,791,184.94
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Solution
The fourth proportional to 97,843,436.60, 135,024,029.39 and 53,791,184.94 is: 74,231,882.98
Step by Step Solution
- Step 1: Write the proportion equation
97,843,436.60 : 135,024,029.39 = 53,791,184.94 : x - Step 2: Convert to fraction form
97,843,436.60/135,024,029.39 = 53,791,184.94/x - Step 3: Cross multiply
97,843,436.60x = 135,024,029.39 × 53,791,184.94 - Step 4: Simplify right side
97,843,436.60x = 7,263,102,535,992,529 - Step 5: Solve for x
x = 7,263,102,535,992,529/97,843,436.60 - Step 6: Final answer
x = 74,231,882.98
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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.