Finding the Fourth Proportional to 112,160,272.10, 154,781,389.70 and 61,924,587.84
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Solution
The fourth proportional to 112,160,272.10, 154,781,389.70 and 61,924,587.84 is: 85,456,049.48
Step by Step Solution
- Step 1: Write the proportion equation
112,160,272.10 : 154,781,389.70 = 61,924,587.84 : x - Step 2: Convert to fraction form
112,160,272.10/154,781,389.70 = 61,924,587.84/x - Step 3: Cross multiply
112,160,272.10x = 154,781,389.70 × 61,924,587.84 - Step 4: Simplify right side
112,160,272.10x = 9,584,773,762,474,922 - Step 5: Solve for x
x = 9,584,773,762,474,922/112,160,272.10 - Step 6: Final answer
x = 85,456,049.48
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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.