Finding the Fourth Proportional to 63,523,812.74, 87,613,440.48 and 45,948,643.68
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Solution
The fourth proportional to 63,523,812.74, 87,613,440.48 and 45,948,643.68 is: 63,373,380.54
Step by Step Solution
- Step 1: Write the proportion equation
63,523,812.74 : 87,613,440.48 = 45,948,643.68 : x - Step 2: Convert to fraction form
63,523,812.74/87,613,440.48 = 45,948,643.68/x - Step 3: Cross multiply
63,523,812.74x = 87,613,440.48 × 45,948,643.68 - Step 4: Simplify right side
63,523,812.74x = 4,025,718,758,194,408.50 - Step 5: Solve for x
x = 4,025,718,758,194,408.50/63,523,812.74 - Step 6: Final answer
x = 63,373,380.54
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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.