Finding the Fourth Proportional to 143,641,959.88, 215,493,237.88 and 46,590,129.96
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Solution
The fourth proportional to 143,641,959.88, 215,493,237.88 and 46,590,129.96 is: 69,895,022.09
Step by Step Solution
- Step 1: Write the proportion equation
143,641,959.88 : 215,493,237.88 = 46,590,129.96 : x - Step 2: Convert to fraction form
143,641,959.88/215,493,237.88 = 46,590,129.96/x - Step 3: Cross multiply
143,641,959.88x = 215,493,237.88 × 46,590,129.96 - Step 4: Simplify right side
143,641,959.88x = 10,039,857,958,330,394 - Step 5: Solve for x
x = 10,039,857,958,330,394/143,641,959.88 - Step 6: Final answer
x = 69,895,022.09
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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.