Finding the Fourth Proportional to 64,685,537.80, 97,028,306.70 and 32,342,432.20
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Solution
The fourth proportional to 64,685,537.80, 97,028,306.70 and 32,342,432.20 is: 48,513,648.30
Step by Step Solution
- Step 1: Write the proportion equation
64,685,537.80 : 97,028,306.70 = 32,342,432.20 : x - Step 2: Convert to fraction form
64,685,537.80/97,028,306.70 = 32,342,432.20/x - Step 3: Cross multiply
64,685,537.80x = 97,028,306.70 × 32,342,432.20 - Step 4: Simplify right side
64,685,537.80x = 3,138,131,430,925,556 - Step 5: Solve for x
x = 3,138,131,430,925,556/64,685,537.80 - Step 6: Final answer
x = 48,513,648.30
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1.5x scale
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.