Finding the Fourth Proportional to 242,381,430.68, 334,486,748.58 and 137,959,500.92
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Solution
The fourth proportional to 242,381,430.68, 334,486,748.58 and 137,959,500.92 is: 190,384,324.28
Step by Step Solution
- Step 1: Write the proportion equation
242,381,430.68 : 334,486,748.58 = 137,959,500.92 : x - Step 2: Convert to fraction form
242,381,430.68/334,486,748.58 = 137,959,500.92/x - Step 3: Cross multiply
242,381,430.68x = 334,486,748.58 × 137,959,500.92 - Step 4: Simplify right side
242,381,430.68x = 46,145,624,898,450,312 - Step 5: Solve for x
x = 46,145,624,898,450,312/242,381,430.68 - Step 6: Final answer
x = 190,384,324.28
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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.