Finding the Fourth Proportional to 99,527,619.65, 137,349,028.01 and 54,875,193.53
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Solution
The fourth proportional to 99,527,619.65, 137,349,028.01 and 54,875,193.53 is: 75,728,270.40
Step by Step Solution
- Step 1: Write the proportion equation
99,527,619.65 : 137,349,028.01 = 54,875,193.53 : x - Step 2: Convert to fraction form
99,527,619.65/137,349,028.01 = 54,875,193.53/x - Step 3: Cross multiply
99,527,619.65x = 137,349,028.01 × 54,875,193.53 - Step 4: Simplify right side
99,527,619.65x = 7,537,054,492,656,583 - Step 5: Solve for x
x = 7,537,054,492,656,583/99,527,619.65 - Step 6: Final answer
x = 75,728,270.40
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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.