Finding the Fourth Proportional to 132,898,276.80, 199,347,415.20 and 98,886,052.80
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Solution
The fourth proportional to 132,898,276.80, 199,347,415.20 and 98,886,052.80 is: 148,329,079.20
Step by Step Solution
- Step 1: Write the proportion equation
132,898,276.80 : 199,347,415.20 = 98,886,052.80 : x - Step 2: Convert to fraction form
132,898,276.80/199,347,415.20 = 98,886,052.80/x - Step 3: Cross multiply
132,898,276.80x = 199,347,415.20 × 98,886,052.80 - Step 4: Simplify right side
132,898,276.80x = 19,712,679,025,010,720 - Step 5: Solve for x
x = 19,712,679,025,010,720/132,898,276.80 - Step 6: Final answer
x = 148,329,079.20
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1.5x scale
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.