Finding the Fourth Proportional to 178,699,937.67, 246,579,052.64 and 100,368,485.91
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Solution
The fourth proportional to 178,699,937.67, 246,579,052.64 and 100,368,485.91 is: 138,493,423.63
Step by Step Solution
- Step 1: Write the proportion equation
178,699,937.67 : 246,579,052.64 = 100,368,485.91 : x - Step 2: Convert to fraction form
178,699,937.67/246,579,052.64 = 100,368,485.91/x - Step 3: Cross multiply
178,699,937.67x = 246,579,052.64 × 100,368,485.91 - Step 4: Simplify right side
178,699,937.67x = 24,748,766,170,097,144 - Step 5: Solve for x
x = 24,748,766,170,097,144/178,699,937.67 - Step 6: Final answer
x = 138,493,423.63
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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.