Finding the Fourth Proportional to 246,328,377.12, 339,919,329.60 and 134,818,990.68
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Solution
The fourth proportional to 246,328,377.12, 339,919,329.60 and 134,818,990.68 is: 186,042,637.33
Step by Step Solution
- Step 1: Write the proportion equation
246,328,377.12 : 339,919,329.60 = 134,818,990.68 : x - Step 2: Convert to fraction form
246,328,377.12/339,919,329.60 = 134,818,990.68/x - Step 3: Cross multiply
246,328,377.12x = 339,919,329.60 × 134,818,990.68 - Step 4: Simplify right side
246,328,377.12x = 45,827,580,929,294,256 - Step 5: Solve for x
x = 45,827,580,929,294,256/246,328,377.12 - Step 6: Final answer
x = 186,042,637.33
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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.