Finding the Fourth Proportional to 106,829,242.23, 147,424,354.28 and 57,936,670.23
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Solution
The fourth proportional to 106,829,242.23, 147,424,354.28 and 57,936,670.23 is: 79,952,604.92
Step by Step Solution
- Step 1: Write the proportion equation
106,829,242.23 : 147,424,354.28 = 57,936,670.23 : x - Step 2: Convert to fraction form
106,829,242.23/147,424,354.28 = 57,936,670.23/x - Step 3: Cross multiply
106,829,242.23x = 147,424,354.28 × 57,936,670.23 - Step 4: Simplify right side
106,829,242.23x = 8,541,276,197,413,626 - Step 5: Solve for x
x = 8,541,276,197,413,626/106,829,242.23 - Step 6: Final answer
x = 79,952,604.92
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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.