Finding the Fourth Proportional to 170,753,739.92, 235,640,111.40 and 92,437,235.36
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Solution
The fourth proportional to 170,753,739.92, 235,640,111.40 and 92,437,235.36 is: 127,563,357.90
Step by Step Solution
- Step 1: Write the proportion equation
170,753,739.92 : 235,640,111.40 = 92,437,235.36 : x - Step 2: Convert to fraction form
170,753,739.92/235,640,111.40 = 92,437,235.36/x - Step 3: Cross multiply
170,753,739.92x = 235,640,111.40 × 92,437,235.36 - Step 4: Simplify right side
170,753,739.92x = 21,781,920,437,738,420 - Step 5: Solve for x
x = 21,781,920,437,738,420/170,753,739.92 - Step 6: Final answer
x = 127,563,357.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.