Finding the Fourth Proportional to 77,720,249.60, 116,487,062.40 and 32,258,643.20
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Solution
The fourth proportional to 77,720,249.60, 116,487,062.40 and 32,258,643.20 is: 48,349,234.63
Step by Step Solution
- Step 1: Write the proportion equation
77,720,249.60 : 116,487,062.40 = 32,258,643.20 : x - Step 2: Convert to fraction form
77,720,249.60/116,487,062.40 = 32,258,643.20/x - Step 3: Cross multiply
77,720,249.60x = 116,487,062.40 × 32,258,643.20 - Step 4: Simplify right side
77,720,249.60x = 3,757,714,583,377,736 - Step 5: Solve for x
x = 3,757,714,583,377,736/77,720,249.60 - Step 6: Final answer
x = 48,349,234.63
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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.