Finding the Fourth Proportional to 107,738,182.50, 161,016,935.17 and 78,653,269.99
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Solution
The fourth proportional to 107,738,182.50, 161,016,935.17 and 78,653,269.99 is: 117,548,933.73
Step by Step Solution
- Step 1: Write the proportion equation
107,738,182.50 : 161,016,935.17 = 78,653,269.99 : x - Step 2: Convert to fraction form
107,738,182.50/161,016,935.17 = 78,653,269.99/x - Step 3: Cross multiply
107,738,182.50x = 161,016,935.17 × 78,653,269.99 - Step 4: Simplify right side
107,738,182.50x = 12,664,508,474,888,334 - Step 5: Solve for x
x = 12,664,508,474,888,334/107,738,182.50 - Step 6: Final answer
x = 117,548,933.73
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.