Finding the Fourth Proportional to 139,968,245.70, 209,952,368.55 and 88,571,996.10
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Solution
The fourth proportional to 139,968,245.70, 209,952,368.55 and 88,571,996.10 is: 132,857,994.15
Step by Step Solution
- Step 1: Write the proportion equation
139,968,245.70 : 209,952,368.55 = 88,571,996.10 : x - Step 2: Convert to fraction form
139,968,245.70/209,952,368.55 = 88,571,996.10/x - Step 3: Cross multiply
139,968,245.70x = 209,952,368.55 × 88,571,996.10 - Step 4: Simplify right side
139,968,245.70x = 18,595,900,368,396,364 - Step 5: Solve for x
x = 18,595,900,368,396,364/139,968,245.70 - Step 6: Final answer
x = 132,857,994.15
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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.