Finding the Fourth Proportional to 325,103,199.06, 448,642,704.05 and 176,424,320.55
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Solution
The fourth proportional to 325,103,199.06, 448,642,704.05 and 176,424,320.55 is: 243,465,719.38
Step by Step Solution
- Step 1: Write the proportion equation
325,103,199.06 : 448,642,704.05 = 176,424,320.55 : x - Step 2: Convert to fraction form
325,103,199.06/448,642,704.05 = 176,424,320.55/x - Step 3: Cross multiply
325,103,199.06x = 448,642,704.05 × 176,424,320.55 - Step 4: Simplify right side
325,103,199.06x = 79,151,484,230,672,000 - Step 5: Solve for x
x = 79,151,484,230,672,000/325,103,199.06 - Step 6: Final answer
x = 243,465,719.38
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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.