Finding the Fourth Proportional to 137,771,782.19, 206,657,673.59 and 56,992,750.19
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Solution
The fourth proportional to 137,771,782.19, 206,657,673.59 and 56,992,750.19 is: 85,489,125.41
Step by Step Solution
- Step 1: Write the proportion equation
137,771,782.19 : 206,657,673.59 = 56,992,750.19 : x - Step 2: Convert to fraction form
137,771,782.19/206,657,673.59 = 56,992,750.19/x - Step 3: Cross multiply
137,771,782.19x = 206,657,673.59 × 56,992,750.19 - Step 4: Simplify right side
137,771,782.19x = 11,777,989,165,761,430 - Step 5: Solve for x
x = 11,777,989,165,761,430/137,771,782.19 - Step 6: Final answer
x = 85,489,125.41
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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.