Finding the Fourth Proportional to 160,413,613.80, 240,620,420.70 and 39,245,065.80
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Solution
The fourth proportional to 160,413,613.80, 240,620,420.70 and 39,245,065.80 is: 58,867,598.70
Step by Step Solution
- Step 1: Write the proportion equation
160,413,613.80 : 240,620,420.70 = 39,245,065.80 : x - Step 2: Convert to fraction form
160,413,613.80/240,620,420.70 = 39,245,065.80/x - Step 3: Cross multiply
160,413,613.80x = 240,620,420.70 × 39,245,065.80 - Step 4: Simplify right side
160,413,613.80x = 9,443,164,243,195,180 - Step 5: Solve for x
x = 9,443,164,243,195,180/160,413,613.80 - Step 6: Final answer
x = 58,867,598.70
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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.