Finding the Fourth Proportional to 296,869,819.20, 445,478,376.60 and 124,332,140.40
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Solution
The fourth proportional to 296,869,819.20, 445,478,376.60 and 124,332,140.40 is: 186,570,936.09
Step by Step Solution
- Step 1: Write the proportion equation
296,869,819.20 : 445,478,376.60 = 124,332,140.40 : x - Step 2: Convert to fraction form
296,869,819.20/445,478,376.60 = 124,332,140.40/x - Step 3: Cross multiply
296,869,819.20x = 445,478,376.60 × 124,332,140.40 - Step 4: Simplify right side
296,869,819.20x = 55,387,280,064,595,280 - Step 5: Solve for x
x = 55,387,280,064,595,280/296,869,819.20 - Step 6: Final answer
x = 186,570,936.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.