Finding the Fourth Proportional to 286,791,646.80, 430,186,813.92 and 122,923,148.52
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Solution
The fourth proportional to 286,791,646.80, 430,186,813.92 and 122,923,148.52 is: 184,384,441.49
Step by Step Solution
- Step 1: Write the proportion equation
286,791,646.80 : 430,186,813.92 = 122,923,148.52 : x - Step 2: Convert to fraction form
286,791,646.80/430,186,813.92 = 122,923,148.52/x - Step 3: Cross multiply
286,791,646.80x = 430,186,813.92 × 122,923,148.52 - Step 4: Simplify right side
286,791,646.80x = 52,879,917,618,833,760 - Step 5: Solve for x
x = 52,879,917,618,833,760/286,791,646.80 - Step 6: Final answer
x = 184,384,441.49
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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.