Finding the Fourth Proportional to 67,826,239.68, 93,621,286.08 and 53,912,283.96
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Solution
The fourth proportional to 67,826,239.68, 93,621,286.08 and 53,912,283.96 is: 74,415,703.77
Step by Step Solution
- Step 1: Write the proportion equation
67,826,239.68 : 93,621,286.08 = 53,912,283.96 : x - Step 2: Convert to fraction form
67,826,239.68/93,621,286.08 = 53,912,283.96/x - Step 3: Cross multiply
67,826,239.68x = 93,621,286.08 × 53,912,283.96 - Step 4: Simplify right side
67,826,239.68x = 5,047,337,359,845,355 - Step 5: Solve for x
x = 5,047,337,359,845,355/67,826,239.68 - Step 6: Final answer
x = 74,415,703.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.