Finding the Fourth Proportional to 264,817,842.16, 365,442,895.74 and 153,313,384.72
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Solution
The fourth proportional to 264,817,842.16, 365,442,895.74 and 153,313,384.72 is: 211,569,155.65
Step by Step Solution
- Step 1: Write the proportion equation
264,817,842.16 : 365,442,895.74 = 153,313,384.72 : x - Step 2: Convert to fraction form
264,817,842.16/365,442,895.74 = 153,313,384.72/x - Step 3: Cross multiply
264,817,842.16x = 365,442,895.74 × 153,313,384.72 - Step 4: Simplify right side
264,817,842.16x = 56,027,287,267,777,472 - Step 5: Solve for x
x = 56,027,287,267,777,472/264,817,842.16 - Step 6: Final answer
x = 211,569,155.65
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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.