Finding the Fourth Proportional to 231,248,008.06, 319,142,430.28 and 126,846,257.60
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Solution
The fourth proportional to 231,248,008.06, 319,142,430.28 and 126,846,257.60 is: 175,058,904.34
Step by Step Solution
- Step 1: Write the proportion equation
231,248,008.06 : 319,142,430.28 = 126,846,257.60 : x - Step 2: Convert to fraction form
231,248,008.06/319,142,430.28 = 126,846,257.60/x - Step 3: Cross multiply
231,248,008.06x = 319,142,430.28 × 126,846,257.60 - Step 4: Simplify right side
231,248,008.06x = 40,482,022,922,386,912 - Step 5: Solve for x
x = 40,482,022,922,386,912/231,248,008.06 - Step 6: Final answer
x = 175,058,904.34
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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.