Finding the Fourth Proportional to 279,598,270.62, 419,397,184.37 and 75,126,345.87
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Solution
The fourth proportional to 279,598,270.62, 419,397,184.37 and 75,126,345.87 is: 112,689,459.27
Step by Step Solution
- Step 1: Write the proportion equation
279,598,270.62 : 419,397,184.37 = 75,126,345.87 : x - Step 2: Convert to fraction form
279,598,270.62/419,397,184.37 = 75,126,345.87/x - Step 3: Cross multiply
279,598,270.62x = 419,397,184.37 × 75,126,345.87 - Step 4: Simplify right side
279,598,270.62x = 31,507,777,929,509,148 - Step 5: Solve for x
x = 31,507,777,929,509,148/279,598,270.62 - Step 6: Final answer
x = 112,689,459.27
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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.