Finding the Fourth Proportional to 92,301,932.70, 127,415,887.47 and 57,511,811.91
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Solution
The fourth proportional to 92,301,932.70, 127,415,887.47 and 57,511,811.91 is: 79,390,737.99
Step by Step Solution
- Step 1: Write the proportion equation
92,301,932.70 : 127,415,887.47 = 57,511,811.91 : x - Step 2: Convert to fraction form
92,301,932.70/127,415,887.47 = 57,511,811.91/x - Step 3: Cross multiply
92,301,932.70x = 127,415,887.47 × 57,511,811.91 - Step 4: Simplify right side
92,301,932.70x = 7,327,918,554,520,365 - Step 5: Solve for x
x = 7,327,918,554,520,365/92,301,932.70 - Step 6: Final answer
x = 79,390,737.99
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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.