Finding the Fourth Proportional to 231,593,830.76, 319,605,039.10 and 125,751,707.08
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Solution
The fourth proportional to 231,593,830.76, 319,605,039.10 and 125,751,707.08 is: 173,540,370.77
Step by Step Solution
- Step 1: Write the proportion equation
231,593,830.76 : 319,605,039.10 = 125,751,707.08 : x - Step 2: Convert to fraction form
231,593,830.76/319,605,039.10 = 125,751,707.08/x - Step 3: Cross multiply
231,593,830.76x = 319,605,039.10 × 125,751,707.08 - Step 4: Simplify right side
231,593,830.76x = 40,190,879,258,195,152 - Step 5: Solve for x
x = 40,190,879,258,195,152/231,593,830.76 - Step 6: Final answer
x = 173,540,370.77
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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.