Finding the Fourth Proportional to 237,966,622.72, 328,165,719.16 and 153,107,130.67
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Solution
The fourth proportional to 237,966,622.72, 328,165,719.16 and 153,107,130.67 is: 211,141,004.02
Step by Step Solution
- Step 1: Write the proportion equation
237,966,622.72 : 328,165,719.16 = 153,107,130.67 : x - Step 2: Convert to fraction form
237,966,622.72/328,165,719.16 = 153,107,130.67/x - Step 3: Cross multiply
237,966,622.72x = 328,165,719.16 × 153,107,130.67 - Step 4: Simplify right side
237,966,622.72x = 50,244,511,644,844,640 - Step 5: Solve for x
x = 50,244,511,644,844,640/237,966,622.72 - Step 6: Final answer
x = 211,141,004.02
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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.