Finding the Fourth Proportional to 54,421,985.12, 75,102,325.20 and 29,975,699.12
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Solution
The fourth proportional to 54,421,985.12, 75,102,325.20 and 29,975,699.12 is: 41,366,456.92
Step by Step Solution
- Step 1: Write the proportion equation
54,421,985.12 : 75,102,325.20 = 29,975,699.12 : x - Step 2: Convert to fraction form
54,421,985.12/75,102,325.20 = 29,975,699.12/x - Step 3: Cross multiply
54,421,985.12x = 75,102,325.20 × 29,975,699.12 - Step 4: Simplify right side
54,421,985.12x = 2,251,244,703,032,082.25 - Step 5: Solve for x
x = 2,251,244,703,032,082.25/54,421,985.12 - Step 6: Final answer
x = 41,366,456.92
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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.