Finding the Fourth Proportional to 102,540,070.80, 153,810,106.20 and 48,792,358.80
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Solution
The fourth proportional to 102,540,070.80, 153,810,106.20 and 48,792,358.80 is: 73,188,538.20
Step by Step Solution
- Step 1: Write the proportion equation
102,540,070.80 : 153,810,106.20 = 48,792,358.80 : x - Step 2: Convert to fraction form
102,540,070.80/153,810,106.20 = 48,792,358.80/x - Step 3: Cross multiply
102,540,070.80x = 153,810,106.20 × 48,792,358.80 - Step 4: Simplify right side
102,540,070.80x = 7,504,757,888,776,504 - Step 5: Solve for x
x = 7,504,757,888,776,504/102,540,070.80 - Step 6: Final answer
x = 73,188,538.20
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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.