Finding the Fourth Proportional to 121,950,001.63, 168,291,163.79 and 66,195,385.84
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Solution
The fourth proportional to 121,950,001.63, 168,291,163.79 and 66,195,385.84 is: 91,349,720.14
Step by Step Solution
- Step 1: Write the proportion equation
121,950,001.63 : 168,291,163.79 = 66,195,385.84 : x - Step 2: Convert to fraction form
121,950,001.63/168,291,163.79 = 66,195,385.84/x - Step 3: Cross multiply
121,950,001.63x = 168,291,163.79 × 66,195,385.84 - Step 4: Simplify right side
121,950,001.63x = 11,140,098,520,541,686 - Step 5: Solve for x
x = 11,140,098,520,541,686/121,950,001.63 - Step 6: Final answer
x = 91,349,720.14
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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.