Finding the Fourth Proportional to 99,649,965.70, 149,474,948.55 and 97,410,477.70
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Solution
The fourth proportional to 99,649,965.70, 149,474,948.55 and 97,410,477.70 is: 146,115,716.55
Step by Step Solution
- Step 1: Write the proportion equation
99,649,965.70 : 149,474,948.55 = 97,410,477.70 : x - Step 2: Convert to fraction form
99,649,965.70/149,474,948.55 = 97,410,477.70/x - Step 3: Cross multiply
99,649,965.70x = 149,474,948.55 × 97,410,477.70 - Step 4: Simplify right side
99,649,965.70x = 14,560,426,142,438,424 - Step 5: Solve for x
x = 14,560,426,142,438,424/99,649,965.70 - Step 6: Final answer
x = 146,115,716.55
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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.