Finding the Fourth Proportional to 97,471,323.40, 146,206,985.10 and 82,165,822.60
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Solution
The fourth proportional to 97,471,323.40, 146,206,985.10 and 82,165,822.60 is: 123,248,733.90
Step by Step Solution
- Step 1: Write the proportion equation
97,471,323.40 : 146,206,985.10 = 82,165,822.60 : x - Step 2: Convert to fraction form
97,471,323.40/146,206,985.10 = 82,165,822.60/x - Step 3: Cross multiply
97,471,323.40x = 146,206,985.10 × 82,165,822.60 - Step 4: Simplify right side
97,471,323.40x = 12,013,217,200,607,442 - Step 5: Solve for x
x = 12,013,217,200,607,442/97,471,323.40 - Step 6: Final answer
x = 123,248,733.90
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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.