Finding the Fourth Proportional to 245,412,909.80, 368,119,364.70 and 63,660,087.80
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Solution
The fourth proportional to 245,412,909.80, 368,119,364.70 and 63,660,087.80 is: 95,490,131.70
Step by Step Solution
- Step 1: Write the proportion equation
245,412,909.80 : 368,119,364.70 = 63,660,087.80 : x - Step 2: Convert to fraction form
245,412,909.80/368,119,364.70 = 63,660,087.80/x - Step 3: Cross multiply
245,412,909.80x = 368,119,364.70 × 63,660,087.80 - Step 4: Simplify right side
245,412,909.80x = 23,434,511,077,682,220 - Step 5: Solve for x
x = 23,434,511,077,682,220/245,412,909.80 - Step 6: Final answer
x = 95,490,131.70
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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.