Finding the Fourth Proportional to 125,649,991.80, 188,492,702.40 and 39,379,402.80
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Solution
The fourth proportional to 125,649,991.80, 188,492,702.40 and 39,379,402.80 is: 59,074,656.09
Step by Step Solution
- Step 1: Write the proportion equation
125,649,991.80 : 188,492,702.40 = 39,379,402.80 : x - Step 2: Convert to fraction form
125,649,991.80/188,492,702.40 = 39,379,402.80/x - Step 3: Cross multiply
125,649,991.80x = 188,492,702.40 × 39,379,402.80 - Step 4: Simplify right side
125,649,991.80x = 7,422,730,052,670,126 - Step 5: Solve for x
x = 7,422,730,052,670,126/125,649,991.80 - Step 6: Final answer
x = 59,074,656.09
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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.