Finding the Fourth Proportional to 163,729,474.11, 245,202,686.55 and 94,432,187.49
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Solution
The fourth proportional to 163,729,474.11, 245,202,686.55 and 94,432,187.49 is: 141,422,466.52
Step by Step Solution
- Step 1: Write the proportion equation
163,729,474.11 : 245,202,686.55 = 94,432,187.49 : x - Step 2: Convert to fraction form
163,729,474.11/245,202,686.55 = 94,432,187.49/x - Step 3: Cross multiply
163,729,474.11x = 245,202,686.55 × 94,432,187.49 - Step 4: Simplify right side
163,729,474.11x = 23,155,026,070,036,080 - Step 5: Solve for x
x = 23,155,026,070,036,080/163,729,474.11 - Step 6: Final answer
x = 141,422,466.52
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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.