Finding the Fourth Proportional to 63,523,811.74, 87,613,439.10 and 45,948,642.68
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Solution
The fourth proportional to 63,523,811.74, 87,613,439.10 and 45,948,642.68 is: 63,373,379.16
Step by Step Solution
- Step 1: Write the proportion equation
63,523,811.74 : 87,613,439.10 = 45,948,642.68 : x - Step 2: Convert to fraction form
63,523,811.74/87,613,439.10 = 45,948,642.68/x - Step 3: Cross multiply
63,523,811.74x = 87,613,439.10 × 45,948,642.68 - Step 4: Simplify right side
63,523,811.74x = 4,025,718,607,171,840.50 - Step 5: Solve for x
x = 4,025,718,607,171,840.50/63,523,811.74 - Step 6: Final answer
x = 63,373,379.16
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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.