Finding the Fourth Proportional to 104,666,780.13, 157,000,159.80 and 27,987,815.40
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Solution
The fourth proportional to 104,666,780.13, 157,000,159.80 and 27,987,815.40 is: 41,981,720.32
Step by Step Solution
- Step 1: Write the proportion equation
104,666,780.13 : 157,000,159.80 = 27,987,815.40 : x - Step 2: Convert to fraction form
104,666,780.13/157,000,159.80 = 27,987,815.40/x - Step 3: Cross multiply
104,666,780.13x = 157,000,159.80 × 27,987,815.40 - Step 4: Simplify right side
104,666,780.13x = 4,394,091,490,252,901 - Step 5: Solve for x
x = 4,394,091,490,252,901/104,666,780.13 - Step 6: Final answer
x = 41,981,720.32
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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.