Finding the Fourth Proportional to 119,815,106,376.83, 165,350,044,292.99 and 66,351,078,894.81
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Solution
The fourth proportional to 119,815,106,376.83, 165,350,044,292.99 and 66,351,078,894.81 is: 91,567,367,136.82
Step by Step Solution
- Step 1: Write the proportion equation
119,815,106,376.83 : 165,350,044,292.99 = 66,351,078,894.81 : x - Step 2: Convert to fraction form
119,815,106,376.83/165,350,044,292.99 = 66,351,078,894.81/x - Step 3: Cross multiply
119,815,106,376.83x = 165,350,044,292.99 × 66,351,078,894.81 - Step 4: Simplify right side
119,815,106,376.83x = 10,971,153,834,144,505,528,320 - Step 5: Solve for x
x = 10,971,153,834,144,505,528,320/119,815,106,376.83 - Step 6: Final answer
x = 91,567,367,136.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.