Finding the Fourth Proportional to 162,340,830.18, 243,508,439.43 and 54,635,454.18
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Solution
The fourth proportional to 162,340,830.18, 243,508,439.43 and 54,635,454.18 is: 81,952,236.97
Step by Step Solution
- Step 1: Write the proportion equation
162,340,830.18 : 243,508,439.43 = 54,635,454.18 : x - Step 2: Convert to fraction form
162,340,830.18/243,508,439.43 = 54,635,454.18/x - Step 3: Cross multiply
162,340,830.18x = 243,508,439.43 × 54,635,454.18 - Step 4: Simplify right side
162,340,830.18x = 13,304,194,184,921,070 - Step 5: Solve for x
x = 13,304,194,184,921,070/162,340,830.18 - Step 6: Final answer
x = 81,952,236.97
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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.