Finding the Fourth Proportional to 119,815,106,383.79, 165,350,044,302.58 and 66,351,078,901.74
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Solution
The fourth proportional to 119,815,106,383.79, 165,350,044,302.58 and 66,351,078,901.74 is: 91,567,367,146.38
Step by Step Solution
- Step 1: Write the proportion equation
119,815,106,383.79 : 165,350,044,302.58 = 66,351,078,901.74 : x - Step 2: Convert to fraction form
119,815,106,383.79/165,350,044,302.58 = 66,351,078,901.74/x - Step 3: Cross multiply
119,815,106,383.79x = 165,350,044,302.58 × 66,351,078,901.74 - Step 4: Simplify right side
119,815,106,383.79x = 10,971,153,835,926,688,366,592 - Step 5: Solve for x
x = 10,971,153,835,926,688,366,592/119,815,106,383.79 - Step 6: Final answer
x = 91,567,367,146.38
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1.5x scale
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.