Finding the Fourth Proportional to 45,784,038.20, 63,181,958.18 and 25,158,812.99
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Solution
The fourth proportional to 45,784,038.20, 63,181,958.18 and 25,158,812.99 is: 34,719,153.93
Step by Step Solution
- Step 1: Write the proportion equation
45,784,038.20 : 63,181,958.18 = 25,158,812.99 : x - Step 2: Convert to fraction form
45,784,038.20/63,181,958.18 = 25,158,812.99/x - Step 3: Cross multiply
45,784,038.20x = 63,181,958.18 × 25,158,812.99 - Step 4: Simplify right side
45,784,038.20x = 1,589,583,069,750,916.75 - Step 5: Solve for x
x = 1,589,583,069,750,916.75/45,784,038.20 - Step 6: Final answer
x = 34,719,153.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.