Finding the Fourth Proportional to 173,817,798.40, 260,726,697.60 and 145,757,713.60
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Solution
The fourth proportional to 173,817,798.40, 260,726,697.60 and 145,757,713.60 is: 218,636,570.40
Step by Step Solution
- Step 1: Write the proportion equation
173,817,798.40 : 260,726,697.60 = 145,757,713.60 : x - Step 2: Convert to fraction form
173,817,798.40/260,726,697.60 = 145,757,713.60/x - Step 3: Cross multiply
173,817,798.40x = 260,726,697.60 × 145,757,713.60 - Step 4: Simplify right side
173,817,798.40x = 38,002,927,316,654,608 - Step 5: Solve for x
x = 38,002,927,316,654,608/173,817,798.40 - Step 6: Final answer
x = 218,636,570.40
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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.