Finding the Fourth Proportional to 168,813,496.14, 232,957,619.64 and 93,463,181.13
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Solution
The fourth proportional to 168,813,496.14, 232,957,619.64 and 93,463,181.13 is: 128,976,418.93
Step by Step Solution
- Step 1: Write the proportion equation
168,813,496.14 : 232,957,619.64 = 93,463,181.13 : x - Step 2: Convert to fraction form
168,813,496.14/232,957,619.64 = 93,463,181.13/x - Step 3: Cross multiply
168,813,496.14x = 232,957,619.64 × 93,463,181.13 - Step 4: Simplify right side
168,813,496.14x = 21,772,960,200,026,964 - Step 5: Solve for x
x = 21,772,960,200,026,964/168,813,496.14 - Step 6: Final answer
x = 128,976,418.93
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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.