Finding the Fourth Proportional to 74,863,315.80, 112,294,973.70 and 40,851,091.80
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Solution
The fourth proportional to 74,863,315.80, 112,294,973.70 and 40,851,091.80 is: 61,276,637.70
Step by Step Solution
- Step 1: Write the proportion equation
74,863,315.80 : 112,294,973.70 = 40,851,091.80 : x - Step 2: Convert to fraction form
74,863,315.80/112,294,973.70 = 40,851,091.80/x - Step 3: Cross multiply
74,863,315.80x = 112,294,973.70 × 40,851,091.80 - Step 4: Simplify right side
74,863,315.80x = 4,587,372,279,297,285 - Step 5: Solve for x
x = 4,587,372,279,297,285/74,863,315.80 - Step 6: Final answer
x = 61,276,637.70
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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.