Finding the Fourth Proportional to 107,007,774.68, 147,671,596.86 and 58,115,552.60
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Solution
The fourth proportional to 107,007,774.68, 147,671,596.86 and 58,115,552.60 is: 80,199,933.89
Step by Step Solution
- Step 1: Write the proportion equation
107,007,774.68 : 147,671,596.86 = 58,115,552.60 : x - Step 2: Convert to fraction form
107,007,774.68/147,671,596.86 = 58,115,552.60/x - Step 3: Cross multiply
107,007,774.68x = 147,671,596.86 × 58,115,552.60 - Step 4: Simplify right side
107,007,774.68x = 8,582,016,454,843,326 - Step 5: Solve for x
x = 8,582,016,454,843,326/107,007,774.68 - Step 6: Final answer
x = 80,199,933.89
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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.