Finding the Fourth Proportional to 99,811,874.40, 149,717,811.60 and 88,096,552.80
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Solution
The fourth proportional to 99,811,874.40, 149,717,811.60 and 88,096,552.80 is: 132,144,829.20
Step by Step Solution
- Step 1: Write the proportion equation
99,811,874.40 : 149,717,811.60 = 88,096,552.80 : x - Step 2: Convert to fraction form
99,811,874.40/149,717,811.60 = 88,096,552.80/x - Step 3: Cross multiply
99,811,874.40x = 149,717,811.60 × 88,096,552.80 - Step 4: Simplify right side
99,811,874.40x = 13,189,623,094,719,852 - Step 5: Solve for x
x = 13,189,623,094,719,852/99,811,874.40 - Step 6: Final answer
x = 132,144,829.20
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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.