Finding the Fourth Proportional to 243,983,303.68, 336,702,809.42 and 132,478,844.24
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Solution
The fourth proportional to 243,983,303.68, 336,702,809.42 and 132,478,844.24 is: 182,823,981.69
Step by Step Solution
- Step 1: Write the proportion equation
243,983,303.68 : 336,702,809.42 = 132,478,844.24 : x - Step 2: Convert to fraction form
243,983,303.68/336,702,809.42 = 132,478,844.24/x - Step 3: Cross multiply
243,983,303.68x = 336,702,809.42 × 132,478,844.24 - Step 4: Simplify right side
243,983,303.68x = 44,605,999,044,322,584 - Step 5: Solve for x
x = 44,605,999,044,322,584/243,983,303.68 - Step 6: Final answer
x = 182,823,981.69
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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.