Finding the Fourth Proportional to 102,939,934.20, 154,409,901.30 and 34,781,641.80
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Solution
The fourth proportional to 102,939,934.20, 154,409,901.30 and 34,781,641.80 is: 52,172,462.70
Step by Step Solution
- Step 1: Write the proportion equation
102,939,934.20 : 154,409,901.30 = 34,781,641.80 : x - Step 2: Convert to fraction form
102,939,934.20/154,409,901.30 = 34,781,641.80/x - Step 3: Cross multiply
102,939,934.20x = 154,409,901.30 × 34,781,641.80 - Step 4: Simplify right side
102,939,934.20x = 5,370,629,877,389,954 - Step 5: Solve for x
x = 5,370,629,877,389,954/102,939,934.20 - Step 6: Final answer
x = 52,172,462.70
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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.