Finding the Fourth Proportional to 252,503,407.99, 348,695,345.84 and 238,747,137.66
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Solution
The fourth proportional to 252,503,407.99, 348,695,345.84 and 238,747,137.66 is: 329,698,582.68
Step by Step Solution
- Step 1: Write the proportion equation
252,503,407.99 : 348,695,345.84 = 238,747,137.66 : x - Step 2: Convert to fraction form
252,503,407.99/348,695,345.84 = 238,747,137.66/x - Step 3: Cross multiply
252,503,407.99x = 348,695,345.84 × 238,747,137.66 - Step 4: Simplify right side
252,503,407.99x = 83,250,015,735,603,072 - Step 5: Solve for x
x = 83,250,015,735,603,072/252,503,407.99 - Step 6: Final answer
x = 329,698,582.68
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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.