Finding the Fourth Proportional to 215,382,732.98, 323,080,671.42 and 84,219,769.94
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Solution
The fourth proportional to 215,382,732.98, 323,080,671.42 and 84,219,769.94 is: 126,332,224.69
Step by Step Solution
- Step 1: Write the proportion equation
215,382,732.98 : 323,080,671.42 = 84,219,769.94 : x - Step 2: Convert to fraction form
215,382,732.98/323,080,671.42 = 84,219,769.94/x - Step 3: Cross multiply
215,382,732.98x = 323,080,671.42 × 84,219,769.94 - Step 4: Simplify right side
215,382,732.98x = 27,209,779,817,437,732 - Step 5: Solve for x
x = 27,209,779,817,437,732/215,382,732.98 - Step 6: Final answer
x = 126,332,224.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.