Finding the Fourth Proportional to 143,796,734.10, 215,695,101.15 and 97,880,231.70
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Solution
The fourth proportional to 143,796,734.10, 215,695,101.15 and 97,880,231.70 is: 146,820,347.55
Step by Step Solution
- Step 1: Write the proportion equation
143,796,734.10 : 215,695,101.15 = 97,880,231.70 : x - Step 2: Convert to fraction form
143,796,734.10/215,695,101.15 = 97,880,231.70/x - Step 3: Cross multiply
143,796,734.10x = 215,695,101.15 × 97,880,231.70 - Step 4: Simplify right side
143,796,734.10x = 21,112,286,477,116,936 - Step 5: Solve for x
x = 21,112,286,477,116,936/143,796,734.10 - Step 6: Final answer
x = 146,820,347.55
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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.