Finding the Fourth Proportional to 134,652,819.69, 201,979,230.05 and 103,992,120.57
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Solution
The fourth proportional to 134,652,819.69, 201,979,230.05 and 103,992,120.57 is: 155,988,181.25
Step by Step Solution
- Step 1: Write the proportion equation
134,652,819.69 : 201,979,230.05 = 103,992,120.57 : x - Step 2: Convert to fraction form
134,652,819.69/201,979,230.05 = 103,992,120.57/x - Step 3: Cross multiply
134,652,819.69x = 201,979,230.05 × 103,992,120.57 - Step 4: Simplify right side
134,652,819.69x = 21,004,248,443,475,404 - Step 5: Solve for x
x = 21,004,248,443,475,404/134,652,819.69 - Step 6: Final answer
x = 155,988,181.25
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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.