Finding the Fourth Proportional to 143,382,277,730.21, 197,868,175,253.24 and 79,153,529,823.50
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Solution
The fourth proportional to 143,382,277,730.21, 197,868,175,253.24 and 79,153,529,823.50 is: 109,232,220,041.15
Step by Step Solution
- Step 1: Write the proportion equation
143,382,277,730.21 : 197,868,175,253.24 = 79,153,529,823.50 : x - Step 2: Convert to fraction form
143,382,277,730.21/197,868,175,253.24 = 79,153,529,823.50/x - Step 3: Cross multiply
143,382,277,730.21x = 197,868,175,253.24 × 79,153,529,823.50 - Step 4: Simplify right side
143,382,277,730.21x = 15,661,964,511,027,866,370,048 - Step 5: Solve for x
x = 15,661,964,511,027,866,370,048/143,382,277,730.21 - Step 6: Final answer
x = 109,232,220,041.15
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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.