Finding the Fourth Proportional to 306,163,415.53, 459,246,950.14 and 76,132,500.20
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Solution
The fourth proportional to 306,163,415.53, 459,246,950.14 and 76,132,500.20 is: 114,199,204.57
Step by Step Solution
- Step 1: Write the proportion equation
306,163,415.53 : 459,246,950.14 = 76,132,500.20 : x - Step 2: Convert to fraction form
306,163,415.53/459,246,950.14 = 76,132,500.20/x - Step 3: Cross multiply
306,163,415.53x = 459,246,950.14 × 76,132,500.20 - Step 4: Simplify right side
306,163,415.53x = 34,963,618,523,382,940 - Step 5: Solve for x
x = 34,963,618,523,382,940/306,163,415.53 - Step 6: Final answer
x = 114,199,204.57
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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.