Finding the Fourth Proportional to 65,987,566.14, 91,063,831.74 and 36,620,800.68
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Solution
The fourth proportional to 65,987,566.14, 91,063,831.74 and 36,620,800.68 is: 50,537,254.61
Step by Step Solution
- Step 1: Write the proportion equation
65,987,566.14 : 91,063,831.74 = 36,620,800.68 : x - Step 2: Convert to fraction form
65,987,566.14/91,063,831.74 = 36,620,800.68/x - Step 3: Cross multiply
65,987,566.14x = 91,063,831.74 × 36,620,800.68 - Step 4: Simplify right side
65,987,566.14x = 3,334,830,431,307,597.50 - Step 5: Solve for x
x = 3,334,830,431,307,597.50/65,987,566.14 - Step 6: Final answer
x = 50,537,254.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.