Finding the Fourth Proportional to 66,142,449.36, 99,207,258.84 and 20,084,717.16
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Solution
The fourth proportional to 66,142,449.36, 99,207,258.84 and 20,084,717.16 is: 30,125,127.71
Step by Step Solution
- Step 1: Write the proportion equation
66,142,449.36 : 99,207,258.84 = 20,084,717.16 : x - Step 2: Convert to fraction form
66,142,449.36/99,207,258.84 = 20,084,717.16/x - Step 3: Cross multiply
66,142,449.36x = 99,207,258.84 × 20,084,717.16 - Step 4: Simplify right side
66,142,449.36x = 1,992,549,734,020,309.75 - Step 5: Solve for x
x = 1,992,549,734,020,309.75/66,142,449.36 - Step 6: Final answer
x = 30,125,127.71
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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.