Finding the Fourth Proportional to 137,771,781.19, 206,657,672.09 and 56,992,749.19
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Solution
The fourth proportional to 137,771,781.19, 206,657,672.09 and 56,992,749.19 is: 85,489,123.91
Step by Step Solution
- Step 1: Write the proportion equation
137,771,781.19 : 206,657,672.09 = 56,992,749.19 : x - Step 2: Convert to fraction form
137,771,781.19/206,657,672.09 = 56,992,749.19/x - Step 3: Cross multiply
137,771,781.19x = 206,657,672.09 × 56,992,749.19 - Step 4: Simplify right side
137,771,781.19x = 11,777,988,872,813,026 - Step 5: Solve for x
x = 11,777,988,872,813,026/137,771,781.19 - Step 6: Final answer
x = 85,489,123.91
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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.