Finding the Fourth Proportional to 66,407,718.13, 99,407,272.80 and 43,328,958.37
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Solution
The fourth proportional to 66,407,718.13, 99,407,272.80 and 43,328,958.37 is: 64,860,135.33
Step by Step Solution
- Step 1: Write the proportion equation
66,407,718.13 : 99,407,272.80 = 43,328,958.37 : x - Step 2: Convert to fraction form
66,407,718.13/99,407,272.80 = 43,328,958.37/x - Step 3: Cross multiply
66,407,718.13x = 99,407,272.80 × 43,328,958.37 - Step 4: Simplify right side
66,407,718.13x = 4,307,213,584,826,433 - Step 5: Solve for x
x = 4,307,213,584,826,433/66,407,718.13 - Step 6: Final answer
x = 64,860,135.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.