Finding the Fourth Proportional to 248,480,347.09, 342,900,084.98 and 135,447,361.94
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Solution
The fourth proportional to 248,480,347.09, 342,900,084.98 and 135,447,361.94 is: 186,915,836.46
Step by Step Solution
- Step 1: Write the proportion equation
248,480,347.09 : 342,900,084.98 = 135,447,361.94 : x - Step 2: Convert to fraction form
248,480,347.09/342,900,084.98 = 135,447,361.94/x - Step 3: Cross multiply
248,480,347.09x = 342,900,084.98 × 135,447,361.94 - Step 4: Simplify right side
248,480,347.09x = 46,444,911,919,542,816 - Step 5: Solve for x
x = 46,444,911,919,542,816/248,480,347.09 - Step 6: Final answer
x = 186,915,836.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.