Finding the Fourth Proportional to 103,680,804.60, 155,521,206.90 and 62,866,135.80
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Solution
The fourth proportional to 103,680,804.60, 155,521,206.90 and 62,866,135.80 is: 94,299,203.70
Step by Step Solution
- Step 1: Write the proportion equation
103,680,804.60 : 155,521,206.90 = 62,866,135.80 : x - Step 2: Convert to fraction form
103,680,804.60/155,521,206.90 = 62,866,135.80/x - Step 3: Cross multiply
103,680,804.60x = 155,521,206.90 × 62,866,135.80 - Step 4: Simplify right side
103,680,804.60x = 9,777,017,312,755,296 - Step 5: Solve for x
x = 9,777,017,312,755,296/103,680,804.60 - Step 6: Final answer
x = 94,299,203.70
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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.