Finding the Fourth Proportional to 83,990,915.80, 125,986,373.70 and 23,406,641.80
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Solution
The fourth proportional to 83,990,915.80, 125,986,373.70 and 23,406,641.80 is: 35,109,962.70
Step by Step Solution
- Step 1: Write the proportion equation
83,990,915.80 : 125,986,373.70 = 23,406,641.80 : x - Step 2: Convert to fraction form
83,990,915.80/125,986,373.70 = 23,406,641.80/x - Step 3: Cross multiply
83,990,915.80x = 125,986,373.70 × 23,406,641.80 - Step 4: Simplify right side
83,990,915.80x = 2,948,917,920,876,841 - Step 5: Solve for x
x = 2,948,917,920,876,841/83,990,915.80 - Step 6: Final answer
x = 35,109,962.70
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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.