Finding the Fourth Proportional to 150,165,327.24, 207,228,151.62 and 81,487,695.24
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Solution
The fourth proportional to 150,165,327.24, 207,228,151.62 and 81,487,695.24 is: 112,453,019.45
Step by Step Solution
- Step 1: Write the proportion equation
150,165,327.24 : 207,228,151.62 = 81,487,695.24 : x - Step 2: Convert to fraction form
150,165,327.24/207,228,151.62 = 81,487,695.24/x - Step 3: Cross multiply
150,165,327.24x = 207,228,151.62 × 81,487,695.24 - Step 4: Simplify right side
150,165,327.24x = 16,886,544,464,359,072 - Step 5: Solve for x
x = 16,886,544,464,359,072/150,165,327.24 - Step 6: Final answer
x = 112,453,019.45
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1.5x scale
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.