Finding the Fourth Proportional to 99,797,805.81, 137,855,769.08 and 75,203,897.31
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Solution
The fourth proportional to 99,797,805.81, 137,855,769.08 and 75,203,897.31 is: 103,882,956.31
Step by Step Solution
- Step 1: Write the proportion equation
99,797,805.81 : 137,855,769.08 = 75,203,897.31 : x - Step 2: Convert to fraction form
99,797,805.81/137,855,769.08 = 75,203,897.31/x - Step 3: Cross multiply
99,797,805.81x = 137,855,769.08 × 75,203,897.31 - Step 4: Simplify right side
99,797,805.81x = 10,367,291,101,107,374 - Step 5: Solve for x
x = 10,367,291,101,107,374/99,797,805.81 - Step 6: Final answer
x = 103,882,956.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.