Finding the Fourth Proportional to 231,625,683.57, 319,642,281.68 and 125,778,153.38
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Solution
The fourth proportional to 231,625,683.57, 319,642,281.68 and 125,778,153.38 is: 173,573,220.85
Step by Step Solution
- Step 1: Write the proportion equation
231,625,683.57 : 319,642,281.68 = 125,778,153.38 : x - Step 2: Convert to fraction form
231,625,683.57/319,642,281.68 = 125,778,153.38/x - Step 3: Cross multiply
231,625,683.57x = 319,642,281.68 × 125,778,153.38 - Step 4: Simplify right side
231,625,683.57x = 40,204,015,929,653,104 - Step 5: Solve for x
x = 40,204,015,929,653,104/231,625,683.57 - Step 6: Final answer
x = 173,573,220.85
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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.