Finding the Fourth Proportional to 72,827,537.70, 109,241,306.55 and 29,673,216.30
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Solution
The fourth proportional to 72,827,537.70, 109,241,306.55 and 29,673,216.30 is: 44,509,824.45
Step by Step Solution
- Step 1: Write the proportion equation
72,827,537.70 : 109,241,306.55 = 29,673,216.30 : x - Step 2: Convert to fraction form
72,827,537.70/109,241,306.55 = 29,673,216.30/x - Step 3: Cross multiply
72,827,537.70x = 109,241,306.55 × 29,673,216.30 - Step 4: Simplify right side
72,827,537.70x = 3,241,540,918,152,757 - Step 5: Solve for x
x = 3,241,540,918,152,757/72,827,537.70 - Step 6: Final answer
x = 44,509,824.45
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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.