Finding the Fourth Proportional to 122,506,370.11, 169,056,789.18 and 66,752,451.97
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Solution
The fourth proportional to 122,506,370.11, 169,056,789.18 and 66,752,451.97 is: 92,117,293.08
Step by Step Solution
- Step 1: Write the proportion equation
122,506,370.11 : 169,056,789.18 = 66,752,451.97 : x - Step 2: Convert to fraction form
122,506,370.11/169,056,789.18 = 66,752,451.97/x - Step 3: Cross multiply
122,506,370.11x = 169,056,789.18 × 66,752,451.97 - Step 4: Simplify right side
122,506,370.11x = 11,284,955,199,940,366 - Step 5: Solve for x
x = 11,284,955,199,940,366/122,506,370.11 - Step 6: Final answer
x = 92,117,293.08
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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.