Finding the Fourth Proportional to 116,215,782.99, 160,372,606.03 and 66,620,600.79
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Solution
The fourth proportional to 116,215,782.99, 160,372,606.03 and 66,620,600.79 is: 91,933,462.81
Step by Step Solution
- Step 1: Write the proportion equation
116,215,782.99 : 160,372,606.03 = 66,620,600.79 : x - Step 2: Convert to fraction form
116,215,782.99/160,372,606.03 = 66,620,600.79/x - Step 3: Cross multiply
116,215,782.99x = 160,372,606.03 × 66,620,600.79 - Step 4: Simplify right side
116,215,782.99x = 10,684,119,363,810,026 - Step 5: Solve for x
x = 10,684,119,363,810,026/116,215,782.99 - Step 6: Final answer
x = 91,933,462.81
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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.