Finding the Fourth Proportional to 80,832,338.40, 121,236,697.80 and 23,318,612.40
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Solution
The fourth proportional to 80,832,338.40, 121,236,697.80 and 23,318,612.40 is: 34,974,511.69
Step by Step Solution
- Step 1: Write the proportion equation
80,832,338.40 : 121,236,697.80 = 23,318,612.40 : x - Step 2: Convert to fraction form
80,832,338.40/121,236,697.80 = 23,318,612.40/x - Step 3: Cross multiply
80,832,338.40x = 121,236,697.80 × 23,318,612.40 - Step 4: Simplify right side
80,832,338.40x = 2,827,071,564,654,132.50 - Step 5: Solve for x
x = 2,827,071,564,654,132.50/80,832,338.40 - Step 6: Final answer
x = 34,974,511.69
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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.