Finding the Fourth Proportional to 84,055,475.16, 115,999,440.14 and 48,770,615.82
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Solution
The fourth proportional to 84,055,475.16, 115,999,440.14 and 48,770,615.82 is: 67,305,123.43
Step by Step Solution
- Step 1: Write the proportion equation
84,055,475.16 : 115,999,440.14 = 48,770,615.82 : x - Step 2: Convert to fraction form
84,055,475.16/115,999,440.14 = 48,770,615.82/x - Step 3: Cross multiply
84,055,475.16x = 115,999,440.14 × 48,770,615.82 - Step 4: Simplify right side
84,055,475.16x = 5,657,364,130,403,027 - Step 5: Solve for x
x = 5,657,364,130,403,027/84,055,475.16 - Step 6: Final answer
x = 67,305,123.43
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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.