Finding the Fourth Proportional to 61,898,230.26, 85,420,445.40 and 34,023,521.07
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Solution
The fourth proportional to 61,898,230.26, 85,420,445.40 and 34,023,521.07 is: 46,952,946.99
Step by Step Solution
- Step 1: Write the proportion equation
61,898,230.26 : 85,420,445.40 = 34,023,521.07 : x - Step 2: Convert to fraction form
61,898,230.26/85,420,445.40 = 34,023,521.07/x - Step 3: Cross multiply
61,898,230.26x = 85,420,445.40 × 34,023,521.07 - Step 4: Simplify right side
61,898,230.26x = 2,906,304,323,875,685 - Step 5: Solve for x
x = 2,906,304,323,875,685/61,898,230.26 - Step 6: Final answer
x = 46,952,946.99
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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.