Finding the Fourth Proportional to 243,444,700.80, 335,988,138.24 and 150,655,101.12
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Solution
The fourth proportional to 243,444,700.80, 335,988,138.24 and 150,655,101.12 is: 207,925,359.54
Step by Step Solution
- Step 1: Write the proportion equation
243,444,700.80 : 335,988,138.24 = 150,655,101.12 : x - Step 2: Convert to fraction form
243,444,700.80/335,988,138.24 = 150,655,101.12/x - Step 3: Cross multiply
243,444,700.80x = 335,988,138.24 × 150,655,101.12 - Step 4: Simplify right side
243,444,700.80x = 50,618,326,941,667,744 - Step 5: Solve for x
x = 50,618,326,941,667,744/243,444,700.80 - Step 6: Final answer
x = 207,925,359.54
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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.