Finding the Fourth Proportional to 146,826,108.79, 202,615,983.99 and 80,746,605.68
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Solution
The fourth proportional to 146,826,108.79, 202,615,983.99 and 80,746,605.68 is: 111,428,090.67
Step by Step Solution
- Step 1: Write the proportion equation
146,826,108.79 : 202,615,983.99 = 80,746,605.68 : x - Step 2: Convert to fraction form
146,826,108.79/202,615,983.99 = 80,746,605.68/x - Step 3: Cross multiply
146,826,108.79x = 202,615,983.99 × 80,746,605.68 - Step 4: Simplify right side
146,826,108.79x = 16,360,552,962,692,644 - Step 5: Solve for x
x = 16,360,552,962,692,644/146,826,108.79 - Step 6: Final answer
x = 111,428,090.67
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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.