Finding the Fourth Proportional to 320,787,036.06, 442,674,268.47 and 174,106,170.78
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Solution
The fourth proportional to 320,787,036.06, 442,674,268.47 and 174,106,170.78 is: 240,260,088.85
Step by Step Solution
- Step 1: Write the proportion equation
320,787,036.06 : 442,674,268.47 = 174,106,170.78 : x - Step 2: Convert to fraction form
320,787,036.06/442,674,268.47 = 174,106,170.78/x - Step 3: Cross multiply
320,787,036.06x = 442,674,268.47 × 174,106,170.78 - Step 4: Simplify right side
320,787,036.06x = 77,072,321,786,149,392 - Step 5: Solve for x
x = 77,072,321,786,149,392/320,787,036.06 - Step 6: Final answer
x = 240,260,088.85
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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.