Finding the Fourth Proportional to 75,484,255.14, 113,078,409.36 and 39,116,501.82
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Solution
The fourth proportional to 75,484,255.14, 113,078,409.36 and 39,116,501.82 is: 58,598,071.84
Step by Step Solution
- Step 1: Write the proportion equation
75,484,255.14 : 113,078,409.36 = 39,116,501.82 : x - Step 2: Convert to fraction form
75,484,255.14/113,078,409.36 = 39,116,501.82/x - Step 3: Cross multiply
75,484,255.14x = 113,078,409.36 × 39,116,501.82 - Step 4: Simplify right side
75,484,255.14x = 4,423,231,805,533,145 - Step 5: Solve for x
x = 4,423,231,805,533,145/75,484,255.14 - Step 6: Final answer
x = 58,598,071.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.