Finding the Fourth Proportional to 49,923,689.80, 74,885,534.70 and 44,254,985.80
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Solution
The fourth proportional to 49,923,689.80, 74,885,534.70 and 44,254,985.80 is: 66,382,478.70
Step by Step Solution
- Step 1: Write the proportion equation
49,923,689.80 : 74,885,534.70 = 44,254,985.80 : x - Step 2: Convert to fraction form
49,923,689.80/74,885,534.70 = 44,254,985.80/x - Step 3: Cross multiply
49,923,689.80x = 74,885,534.70 × 44,254,985.80 - Step 4: Simplify right side
49,923,689.80x = 3,314,058,274,773,907 - Step 5: Solve for x
x = 3,314,058,274,773,907/49,923,689.80 - Step 6: Final answer
x = 66,382,478.70
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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.