Finding the Fourth Proportional to 243,966,823.08, 336,674,217.69 and 133,958,536.08
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Solution
The fourth proportional to 243,966,823.08, 336,674,217.69 and 133,958,536.08 is: 184,862,780.80
Step by Step Solution
- Step 1: Write the proportion equation
243,966,823.08 : 336,674,217.69 = 133,958,536.08 : x - Step 2: Convert to fraction form
243,966,823.08/336,674,217.69 = 133,958,536.08/x - Step 3: Cross multiply
243,966,823.08x = 336,674,217.69 × 133,958,536.08 - Step 4: Simplify right side
243,966,823.08x = 45,100,385,337,631,640 - Step 5: Solve for x
x = 45,100,385,337,631,640/243,966,823.08 - Step 6: Final answer
x = 184,862,780.80
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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.