Finding the Fourth Proportional to 66,562,198.79, 91,864,959.31 and 38,303,991.02
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Solution
The fourth proportional to 66,562,198.79, 91,864,959.31 and 38,303,991.02 is: 52,864,758.67
Step by Step Solution
- Step 1: Write the proportion equation
66,562,198.79 : 91,864,959.31 = 38,303,991.02 : x - Step 2: Convert to fraction form
66,562,198.79/91,864,959.31 = 38,303,991.02/x - Step 3: Cross multiply
66,562,198.79x = 91,864,959.31 × 38,303,991.02 - Step 4: Simplify right side
66,562,198.79x = 3,518,794,575,907,821 - Step 5: Solve for x
x = 3,518,794,575,907,821/66,562,198.79 - Step 6: Final answer
x = 52,864,758.67
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.