Finding the Fourth Proportional to 66,433,243.80, 99,649,865.70 and 59,714,779.80
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Solution
The fourth proportional to 66,433,243.80, 99,649,865.70 and 59,714,779.80 is: 89,572,169.70
Step by Step Solution
- Step 1: Write the proportion equation
66,433,243.80 : 99,649,865.70 = 59,714,779.80 : x - Step 2: Convert to fraction form
66,433,243.80/99,649,865.70 = 59,714,779.80/x - Step 3: Cross multiply
66,433,243.80x = 99,649,865.70 × 59,714,779.80 - Step 4: Simplify right side
66,433,243.80x = 5,950,569,787,375,073 - Step 5: Solve for x
x = 5,950,569,787,375,073/66,433,243.80 - Step 6: Final answer
x = 89,572,169.70
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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.