Finding the Fourth Proportional to 108,867,404.70, 163,301,107.05 and 28,088,372.70
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Solution
The fourth proportional to 108,867,404.70, 163,301,107.05 and 28,088,372.70 is: 42,132,559.05
Step by Step Solution
- Step 1: Write the proportion equation
108,867,404.70 : 163,301,107.05 = 28,088,372.70 : x - Step 2: Convert to fraction form
108,867,404.70/163,301,107.05 = 28,088,372.70/x - Step 3: Cross multiply
108,867,404.70x = 163,301,107.05 × 28,088,372.70 - Step 4: Simplify right side
108,867,404.70x = 4,586,862,357,142,998 - Step 5: Solve for x
x = 4,586,862,357,142,998/108,867,404.70 - Step 6: Final answer
x = 42,132,559.05
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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.