Finding the Fourth Proportional to 306,163,892.62, 459,247,668.81 and 76,132,977.31
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Solution
The fourth proportional to 306,163,892.62, 459,247,668.81 and 76,132,977.31 is: 114,199,921.00
Step by Step Solution
- Step 1: Write the proportion equation
306,163,892.62 : 459,247,668.81 = 76,132,977.31 : x - Step 2: Convert to fraction form
306,163,892.62/459,247,668.81 = 76,132,977.31/x - Step 3: Cross multiply
306,163,892.62x = 459,247,668.81 × 76,132,977.31 - Step 4: Simplify right side
306,163,892.62x = 34,963,892,349,182,124 - Step 5: Solve for x
x = 34,963,892,349,182,124/306,163,892.62 - Step 6: Final answer
x = 114,199,921.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.