Finding the Fourth Proportional to 198,112,750.40, 297,169,125.60 and 124,455,027.80
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Solution
The fourth proportional to 198,112,750.40, 297,169,125.60 and 124,455,027.80 is: 186,682,541.70
Step by Step Solution
- Step 1: Write the proportion equation
198,112,750.40 : 297,169,125.60 = 124,455,027.80 : x - Step 2: Convert to fraction form
198,112,750.40/297,169,125.60 = 124,455,027.80/x - Step 3: Cross multiply
198,112,750.40x = 297,169,125.60 × 124,455,027.80 - Step 4: Simplify right side
198,112,750.40x = 36,984,191,787,849,696 - Step 5: Solve for x
x = 36,984,191,787,849,696/198,112,750.40 - Step 6: Final answer
x = 186,682,541.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.