Finding the Fourth Proportional to 219,899,630.29, 303,465,128.52 and 120,789,536.08
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Solution
The fourth proportional to 219,899,630.29, 303,465,128.52 and 120,789,536.08 is: 166,691,558.52
Step by Step Solution
- Step 1: Write the proportion equation
219,899,630.29 : 303,465,128.52 = 120,789,536.08 : x - Step 2: Convert to fraction form
219,899,630.29/303,465,128.52 = 120,789,536.08/x - Step 3: Cross multiply
219,899,630.29x = 303,465,128.52 × 120,789,536.08 - Step 4: Simplify right side
219,899,630.29x = 36,655,412,090,388,376 - Step 5: Solve for x
x = 36,655,412,090,388,376/219,899,630.29 - Step 6: Final answer
x = 166,691,558.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.