Finding the Fourth Proportional to 351,977,449.70, 528,029,160.15 and 147,526,192.10
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Solution
The fourth proportional to 351,977,449.70, 528,029,160.15 and 147,526,192.10 is: 221,315,687.64
Step by Step Solution
- Step 1: Write the proportion equation
351,977,449.70 : 528,029,160.15 = 147,526,192.10 : x - Step 2: Convert to fraction form
351,977,449.70/528,029,160.15 = 147,526,192.10/x - Step 3: Cross multiply
351,977,449.70x = 528,029,160.15 × 147,526,192.10 - Step 4: Simplify right side
351,977,449.70x = 77,898,131,314,690,560 - Step 5: Solve for x
x = 77,898,131,314,690,560/351,977,449.70 - Step 6: Final answer
x = 221,315,687.64
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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.