Finding the Fourth Proportional to 422,167,677.80, 633,331,067.62 and 159,930,773.58
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Solution
The fourth proportional to 422,167,677.80, 633,331,067.62 and 159,930,773.58 is: 239,926,296.83
Step by Step Solution
- Step 1: Write the proportion equation
422,167,677.80 : 633,331,067.62 = 159,930,773.58 : x - Step 2: Convert to fraction form
422,167,677.80/633,331,067.62 = 159,930,773.58/x - Step 3: Cross multiply
422,167,677.80x = 633,331,067.62 × 159,930,773.58 - Step 4: Simplify right side
422,167,677.80x = 101,289,127,576,713,904 - Step 5: Solve for x
x = 101,289,127,576,713,904/422,167,677.80 - Step 6: Final answer
x = 239,926,296.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.