Finding the Fourth Proportional to 117,951,228.80, 176,926,843.20 and 106,472,103.20
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Solution
The fourth proportional to 117,951,228.80, 176,926,843.20 and 106,472,103.20 is: 159,708,154.80
Step by Step Solution
- Step 1: Write the proportion equation
117,951,228.80 : 176,926,843.20 = 106,472,103.20 : x - Step 2: Convert to fraction form
117,951,228.80/176,926,843.20 = 106,472,103.20/x - Step 3: Cross multiply
117,951,228.80x = 176,926,843.20 × 106,472,103.20 - Step 4: Simplify right side
117,951,228.80x = 18,837,773,108,040,616 - Step 5: Solve for x
x = 18,837,773,108,040,616/117,951,228.80 - Step 6: Final answer
x = 159,708,154.80
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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.