Finding the Fourth Proportional to 169,694,295.84, 234,171,536.16 and 103,725,248.76
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Solution
The fourth proportional to 169,694,295.84, 234,171,536.16 and 103,725,248.76 is: 143,136,813.88
Step by Step Solution
- Step 1: Write the proportion equation
169,694,295.84 : 234,171,536.16 = 103,725,248.76 : x - Step 2: Convert to fraction form
169,694,295.84/234,171,536.16 = 103,725,248.76/x - Step 3: Cross multiply
169,694,295.84x = 234,171,536.16 × 103,725,248.76 - Step 4: Simplify right side
169,694,295.84x = 24,289,500,840,707,336 - Step 5: Solve for x
x = 24,289,500,840,707,336/169,694,295.84 - Step 6: Final answer
x = 143,136,813.88
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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.