Finding the Fourth Proportional to 112,160,261.32, 154,781,374.84 and 61,924,577.09
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Solution
The fourth proportional to 112,160,261.32, 154,781,374.84 and 61,924,577.09 is: 85,456,034.65
Step by Step Solution
- Step 1: Write the proportion equation
112,160,261.32 : 154,781,374.84 = 61,924,577.09 : x - Step 2: Convert to fraction form
112,160,261.32/154,781,374.84 = 61,924,577.09/x - Step 3: Cross multiply
112,160,261.32x = 154,781,374.84 × 61,924,577.09 - Step 4: Simplify right side
112,160,261.32x = 9,584,771,177,447,048 - Step 5: Solve for x
x = 9,584,771,177,447,048/112,160,261.32 - Step 6: Final answer
x = 85,456,034.65
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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.