Finding the Fourth Proportional to 54,642,740.90, 81,964,111.35 and 27,432,961.70
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Solution
The fourth proportional to 54,642,740.90, 81,964,111.35 and 27,432,961.70 is: 41,149,442.55
Step by Step Solution
- Step 1: Write the proportion equation
54,642,740.90 : 81,964,111.35 = 27,432,961.70 : x - Step 2: Convert to fraction form
54,642,740.90/81,964,111.35 = 27,432,961.70/x - Step 3: Cross multiply
54,642,740.90x = 81,964,111.35 × 27,432,961.70 - Step 4: Simplify right side
54,642,740.90x = 2,248,518,327,439,085 - Step 5: Solve for x
x = 2,248,518,327,439,085/54,642,740.90 - Step 6: Final answer
x = 41,149,442.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.