Finding the Fourth Proportional to 290,963,487.03, 436,502,725.41 and 106,732,673.75
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Solution
The fourth proportional to 290,963,487.03, 436,502,725.41 and 106,732,673.75 is: 160,120,101.17
Step by Step Solution
- Step 1: Write the proportion equation
290,963,487.03 : 436,502,725.41 = 106,732,673.75 : x - Step 2: Convert to fraction form
290,963,487.03/436,502,725.41 = 106,732,673.75/x - Step 3: Cross multiply
290,963,487.03x = 436,502,725.41 × 106,732,673.75 - Step 4: Simplify right side
290,963,487.03x = 46,589,102,981,205,360 - Step 5: Solve for x
x = 46,589,102,981,205,360/290,963,487.03 - Step 6: Final answer
x = 160,120,101.17
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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.