Finding the Fourth Proportional to 171,731,772,743.68, 257,715,326,101.60 and 59,936,747,859.36
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Solution
The fourth proportional to 171,731,772,743.68, 257,715,326,101.60 and 59,936,747,859.36 is: 89,946,189,183.64
Step by Step Solution
- Step 1: Write the proportion equation
171,731,772,743.68 : 257,715,326,101.60 = 59,936,747,859.36 : x - Step 2: Convert to fraction form
171,731,772,743.68/257,715,326,101.60 = 59,936,747,859.36/x - Step 3: Cross multiply
171,731,772,743.68x = 257,715,326,101.60 × 59,936,747,859.36 - Step 4: Simplify right side
171,731,772,743.68x = 15,446,618,520,044,338,937,856 - Step 5: Solve for x
x = 15,446,618,520,044,338,937,856/171,731,772,743.68 - Step 6: Final answer
x = 89,946,189,183.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.