Finding the Fourth Proportional to 275,134,225.14, 379,688,244.30 and 149,687,134.20
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Solution
The fourth proportional to 275,134,225.14, 379,688,244.30 and 149,687,134.20 is: 206,569,884.75
Step by Step Solution
- Step 1: Write the proportion equation
275,134,225.14 : 379,688,244.30 = 149,687,134.20 : x - Step 2: Convert to fraction form
275,134,225.14/379,688,244.30 = 149,687,134.20/x - Step 3: Cross multiply
275,134,225.14x = 379,688,244.30 × 149,687,134.20 - Step 4: Simplify right side
275,134,225.14x = 56,834,445,178,696,480 - Step 5: Solve for x
x = 56,834,445,178,696,480/275,134,225.14 - Step 6: Final answer
x = 206,569,884.75
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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.