Finding the Fourth Proportional to 203,477,972.84, 280,796,935.74 and 110,656,502.36
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Solution
The fourth proportional to 203,477,972.84, 280,796,935.74 and 110,656,502.36 is: 152,704,522.99
Step by Step Solution
- Step 1: Write the proportion equation
203,477,972.84 : 280,796,935.74 = 110,656,502.36 : x - Step 2: Convert to fraction form
203,477,972.84/280,796,935.74 = 110,656,502.36/x - Step 3: Cross multiply
203,477,972.84x = 280,796,935.74 × 110,656,502.36 - Step 4: Simplify right side
203,477,972.84x = 31,072,006,782,394,080 - Step 5: Solve for x
x = 31,072,006,782,394,080/203,477,972.84 - Step 6: Final answer
x = 152,704,522.99
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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.