Finding the Fourth Proportional to 96,388,581.68, 133,018,553.73 and 52,337,437.19
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Solution
The fourth proportional to 96,388,581.68, 133,018,553.73 and 52,337,437.19 is: 72,226,918.16
Step by Step Solution
- Step 1: Write the proportion equation
96,388,581.68 : 133,018,553.73 = 52,337,437.19 : x - Step 2: Convert to fraction form
96,388,581.68/133,018,553.73 = 52,337,437.19/x - Step 3: Cross multiply
96,388,581.68x = 133,018,553.73 × 52,337,437.19 - Step 4: Simplify right side
96,388,581.68x = 6,961,850,200,948,515 - Step 5: Solve for x
x = 6,961,850,200,948,515/96,388,581.68 - Step 6: Final answer
x = 72,226,918.16
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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.