Finding the Fourth Proportional to 92,466,598.98, 127,555,528.43 and 57,173,122.11
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Solution
The fourth proportional to 92,466,598.98, 127,555,528.43 and 57,173,122.11 is: 78,868,995.76
Step by Step Solution
- Step 1: Write the proportion equation
92,466,598.98 : 127,555,528.43 = 57,173,122.11 : x - Step 2: Convert to fraction form
92,466,598.98/127,555,528.43 = 57,173,122.11/x - Step 3: Cross multiply
92,466,598.98x = 127,555,528.43 × 57,173,122.11 - Step 4: Simplify right side
92,466,598.98x = 7,292,747,802,926,434 - Step 5: Solve for x
x = 7,292,747,802,926,434/92,466,598.98 - Step 6: Final answer
x = 78,868,995.76
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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.