Finding the Fourth Proportional to 66,648,898.91, 91,953,204.69 and 38,765,690.15
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Solution
The fourth proportional to 66,648,898.91, 91,953,204.69 and 38,765,690.15 is: 53,483,695.90
Step by Step Solution
- Step 1: Write the proportion equation
66,648,898.91 : 91,953,204.69 = 38,765,690.15 : x - Step 2: Convert to fraction form
66,648,898.91/91,953,204.69 = 38,765,690.15/x - Step 3: Cross multiply
66,648,898.91x = 91,953,204.69 × 38,765,690.15 - Step 4: Simplify right side
66,648,898.91x = 3,564,629,441,463,063 - Step 5: Solve for x
x = 3,564,629,441,463,063/66,648,898.91 - Step 6: Final answer
x = 53,483,695.90
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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.