Finding the Fourth Proportional to 248,879,507.34, 343,402,446.45 and 143,012,466.84
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Solution
The fourth proportional to 248,879,507.34, 343,402,446.45 and 143,012,466.84 is: 197,327,741.08
Step by Step Solution
- Step 1: Write the proportion equation
248,879,507.34 : 343,402,446.45 = 143,012,466.84 : x - Step 2: Convert to fraction form
248,879,507.34/343,402,446.45 = 143,012,466.84/x - Step 3: Cross multiply
248,879,507.34x = 343,402,446.45 × 143,012,466.84 - Step 4: Simplify right side
248,879,507.34x = 49,110,830,985,705,504 - Step 5: Solve for x
x = 49,110,830,985,705,504/248,879,507.34 - Step 6: Final answer
x = 197,327,741.08
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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.