Finding the Fourth Proportional to 196,993,329.30, 295,489,993.95 and 115,363,991.70
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Solution
The fourth proportional to 196,993,329.30, 295,489,993.95 and 115,363,991.70 is: 173,045,987.55
Step by Step Solution
- Step 1: Write the proportion equation
196,993,329.30 : 295,489,993.95 = 115,363,991.70 : x - Step 2: Convert to fraction form
196,993,329.30/295,489,993.95 = 115,363,991.70/x - Step 3: Cross multiply
196,993,329.30x = 295,489,993.95 × 115,363,991.70 - Step 4: Simplify right side
196,993,329.30x = 34,088,905,209,480,848 - Step 5: Solve for x
x = 34,088,905,209,480,848/196,993,329.30 - Step 6: Final answer
x = 173,045,987.55
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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.