Finding the Fourth Proportional to 290,963,784.24, 436,503,171.38 and 106,732,971.09
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Solution
The fourth proportional to 290,963,784.24, 436,503,171.38 and 106,732,971.09 is: 160,120,547.28
Step by Step Solution
- Step 1: Write the proportion equation
290,963,784.24 : 436,503,171.38 = 106,732,971.09 : x - Step 2: Convert to fraction form
290,963,784.24/436,503,171.38 = 106,732,971.09/x - Step 3: Cross multiply
290,963,784.24x = 436,503,171.38 × 106,732,971.09 - Step 4: Simplify right side
290,963,784.24x = 46,589,280,371,061,192 - Step 5: Solve for x
x = 46,589,280,371,061,192/290,963,784.24 - Step 6: Final answer
x = 160,120,547.28
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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.