Finding the Fourth Proportional to 318,471,081.13, 439,475,955.51 and 177,349,580.65
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Solution
The fourth proportional to 318,471,081.13, 439,475,955.51 and 177,349,580.65 is: 244,734,549.02
Step by Step Solution
- Step 1: Write the proportion equation
318,471,081.13 : 439,475,955.51 = 177,349,580.65 : x - Step 2: Convert to fraction form
318,471,081.13/439,475,955.51 = 177,349,580.65/x - Step 3: Cross multiply
318,471,081.13x = 439,475,955.51 × 177,349,580.65 - Step 4: Simplify right side
318,471,081.13x = 77,940,876,415,456,560 - Step 5: Solve for x
x = 77,940,876,415,456,560/318,471,081.13 - Step 6: Final answer
x = 244,734,549.02
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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.