Finding the Fourth Proportional to 149,772,575.70, 224,658,863.55 and 139,694,879.70
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Solution
The fourth proportional to 149,772,575.70, 224,658,863.55 and 139,694,879.70 is: 209,542,319.55
Step by Step Solution
- Step 1: Write the proportion equation
149,772,575.70 : 224,658,863.55 = 139,694,879.70 : x - Step 2: Convert to fraction form
149,772,575.70/224,658,863.55 = 139,694,879.70/x - Step 3: Cross multiply
149,772,575.70x = 224,658,863.55 × 139,694,879.70 - Step 4: Simplify right side
149,772,575.70x = 31,383,692,917,155,964 - Step 5: Solve for x
x = 31,383,692,917,155,964/149,772,575.70 - Step 6: Final answer
x = 209,542,319.55
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1.5x scale
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.