Finding the Fourth Proportional to 290,020,341.98, 435,026,253.49 and 71,670,678.19
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Solution
The fourth proportional to 290,020,341.98, 435,026,253.49 and 71,670,678.19 is: 107,504,964.66
Step by Step Solution
- Step 1: Write the proportion equation
290,020,341.98 : 435,026,253.49 = 71,670,678.19 : x - Step 2: Convert to fraction form
290,020,341.98/435,026,253.49 = 71,670,678.19/x - Step 3: Cross multiply
290,020,341.98x = 435,026,253.49 × 71,670,678.19 - Step 4: Simplify right side
290,020,341.98x = 31,178,626,616,816,412 - Step 5: Solve for x
x = 31,178,626,616,816,412/290,020,341.98 - Step 6: Final answer
x = 107,504,964.66
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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.