Finding the Fourth Proportional to 272,088,585.24, 375,363,728.34 and 172,916,183.40
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Solution
The fourth proportional to 272,088,585.24, 375,363,728.34 and 172,916,183.40 is: 238,549,012.39
Step by Step Solution
- Step 1: Write the proportion equation
272,088,585.24 : 375,363,728.34 = 172,916,183.40 : x - Step 2: Convert to fraction form
272,088,585.24/375,363,728.34 = 172,916,183.40/x - Step 3: Cross multiply
272,088,585.24x = 375,363,728.34 × 172,916,183.40 - Step 4: Simplify right side
272,088,585.24x = 64,906,463,291,347,216 - Step 5: Solve for x
x = 64,906,463,291,347,216/272,088,585.24 - Step 6: Final answer
x = 238,549,012.39
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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.