Finding the Fourth Proportional to 98,324,125.80, 147,486,188.70 and 52,974,493.80
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Solution
The fourth proportional to 98,324,125.80, 147,486,188.70 and 52,974,493.80 is: 79,461,740.70
Step by Step Solution
- Step 1: Write the proportion equation
98,324,125.80 : 147,486,188.70 = 52,974,493.80 : x - Step 2: Convert to fraction form
98,324,125.80/147,486,188.70 = 52,974,493.80/x - Step 3: Cross multiply
98,324,125.80x = 147,486,188.70 × 52,974,493.80 - Step 4: Simplify right side
98,324,125.80x = 7,813,006,188,873,779 - Step 5: Solve for x
x = 7,813,006,188,873,779/98,324,125.80 - Step 6: Final answer
x = 79,461,740.70
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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.