Finding the Fourth Proportional to 66,552,779.80, 99,829,169.70 and 18,683,723.80
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Solution
The fourth proportional to 66,552,779.80, 99,829,169.70 and 18,683,723.80 is: 28,025,585.70
Step by Step Solution
- Step 1: Write the proportion equation
66,552,779.80 : 99,829,169.70 = 18,683,723.80 : x - Step 2: Convert to fraction form
66,552,779.80/99,829,169.70 = 18,683,723.80/x - Step 3: Cross multiply
66,552,779.80x = 99,829,169.70 × 18,683,723.80 - Step 4: Simplify right side
66,552,779.80x = 1,865,180,633,858,129 - Step 5: Solve for x
x = 1,865,180,633,858,129/66,552,779.80 - Step 6: Final answer
x = 28,025,585.70
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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.