Finding the Fourth Proportional to 68,474,153.08, 102,468,773.78 and 42,578,648.81
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Solution
The fourth proportional to 68,474,153.08, 102,468,773.78 and 42,578,648.81 is: 63,717,209.14
Step by Step Solution
- Step 1: Write the proportion equation
68,474,153.08 : 102,468,773.78 = 42,578,648.81 : x - Step 2: Convert to fraction form
68,474,153.08/102,468,773.78 = 42,578,648.81/x - Step 3: Cross multiply
68,474,153.08x = 102,468,773.78 × 42,578,648.81 - Step 4: Simplify right side
68,474,153.08x = 4,362,981,932,769,956.50 - Step 5: Solve for x
x = 4,362,981,932,769,956.50/68,474,153.08 - Step 6: Final answer
x = 63,717,209.14
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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.