Finding the Fourth Proportional to 83,750,743.40, 125,626,115.10 and 64,379,718.95
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Solution
The fourth proportional to 83,750,743.40, 125,626,115.10 and 64,379,718.95 is: 96,569,578.43
Step by Step Solution
- Step 1: Write the proportion equation
83,750,743.40 : 125,626,115.10 = 64,379,718.95 : x - Step 2: Convert to fraction form
83,750,743.40/125,626,115.10 = 64,379,718.95/x - Step 3: Cross multiply
83,750,743.40x = 125,626,115.10 × 64,379,718.95 - Step 4: Simplify right side
83,750,743.40x = 8,087,773,982,918,351 - Step 5: Solve for x
x = 8,087,773,982,918,351/83,750,743.40 - Step 6: Final answer
x = 96,569,578.43
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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.