Finding the Fourth Proportional to 119,330,753.84, 164,678,138.88 and 70,438,181.84
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Solution
The fourth proportional to 119,330,753.84, 164,678,138.88 and 70,438,181.84 is: 97,205,693.57
Step by Step Solution
- Step 1: Write the proportion equation
119,330,753.84 : 164,678,138.88 = 70,438,181.84 : x - Step 2: Convert to fraction form
119,330,753.84/164,678,138.88 = 70,438,181.84/x - Step 3: Cross multiply
119,330,753.84x = 164,678,138.88 × 70,438,181.84 - Step 4: Simplify right side
119,330,753.84x = 11,599,628,691,502,214 - Step 5: Solve for x
x = 11,599,628,691,502,214/119,330,753.84 - Step 6: Final answer
x = 97,205,693.57
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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.