Finding the Fourth Proportional to 168,649,207.92, 252,998,980.20 and 53,637,502.32
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Solution
The fourth proportional to 168,649,207.92, 252,998,980.20 and 53,637,502.32 is: 80,464,258.06
Step by Step Solution
- Step 1: Write the proportion equation
168,649,207.92 : 252,998,980.20 = 53,637,502.32 : x - Step 2: Convert to fraction form
168,649,207.92/252,998,980.20 = 53,637,502.32/x - Step 3: Cross multiply
168,649,207.92x = 252,998,980.20 × 53,637,502.32 - Step 4: Simplify right side
168,649,207.92x = 13,570,233,387,435,134 - Step 5: Solve for x
x = 13,570,233,387,435,134/168,649,207.92 - Step 6: Final answer
x = 80,464,258.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.