Finding the Fourth Proportional to 162,190,282.80, 243,265,134.78 and 53,006,319.84
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Solution
The fourth proportional to 162,190,282.80, 243,265,134.78 and 53,006,319.84 is: 79,502,848.86
Step by Step Solution
- Step 1: Write the proportion equation
162,190,282.80 : 243,265,134.78 = 53,006,319.84 : x - Step 2: Convert to fraction form
162,190,282.80/243,265,134.78 = 53,006,319.84/x - Step 3: Cross multiply
162,190,282.80x = 243,265,134.78 × 53,006,319.84 - Step 4: Simplify right side
162,190,282.80x = 12,894,589,540,069,388 - Step 5: Solve for x
x = 12,894,589,540,069,388/162,190,282.80 - Step 6: Final answer
x = 79,502,848.86
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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.