Finding the Fourth Proportional to 230,684,395.46, 318,345,435.90 and 124,837,815.75
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Solution
The fourth proportional to 230,684,395.46, 318,345,435.90 and 124,837,815.75 is: 172,276,710.75
Step by Step Solution
- Step 1: Write the proportion equation
230,684,395.46 : 318,345,435.90 = 124,837,815.75 : x - Step 2: Convert to fraction form
230,684,395.46/318,345,435.90 = 124,837,815.75/x - Step 3: Cross multiply
230,684,395.46x = 318,345,435.90 × 124,837,815.75 - Step 4: Simplify right side
230,684,395.46x = 39,741,548,869,521,720 - Step 5: Solve for x
x = 39,741,548,869,521,720/230,684,395.46 - Step 6: Final answer
x = 172,276,710.75
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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.