Finding the Fourth Proportional to 126,417,433.35, 174,470,216.18 and 71,416,832.79
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Solution
The fourth proportional to 126,417,433.35, 174,470,216.18 and 71,416,832.79 is: 98,563,227.60
Step by Step Solution
- Step 1: Write the proportion equation
126,417,433.35 : 174,470,216.18 = 71,416,832.79 : x - Step 2: Convert to fraction form
126,417,433.35/174,470,216.18 = 71,416,832.79/x - Step 3: Cross multiply
126,417,433.35x = 174,470,216.18 × 71,416,832.79 - Step 4: Simplify right side
126,417,433.35x = 12,460,110,255,405,130 - Step 5: Solve for x
x = 12,460,110,255,405,130/126,417,433.35 - Step 6: Final answer
x = 98,563,227.60
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1.5x scale
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.