Finding the Fourth Proportional to 99,649,813.95, 149,474,720.93 and 97,410,325.95
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Solution
The fourth proportional to 99,649,813.95, 149,474,720.93 and 97,410,325.95 is: 146,115,488.93
Step by Step Solution
- Step 1: Write the proportion equation
99,649,813.95 : 149,474,720.93 = 97,410,325.95 : x - Step 2: Convert to fraction form
99,649,813.95/149,474,720.93 = 97,410,325.95/x - Step 3: Cross multiply
99,649,813.95x = 149,474,720.93 × 97,410,325.95 - Step 4: Simplify right side
99,649,813.95x = 14,560,381,286,589,538 - Step 5: Solve for x
x = 14,560,381,286,589,538/99,649,813.95 - Step 6: Final answer
x = 146,115,488.93
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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.