Finding the Fourth Proportional to 122,313,777,570.29, 168,798,244,585.14 and 68,120,317,515.63
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Solution
The fourth proportional to 122,313,777,570.29, 168,798,244,585.14 and 68,120,317,515.63 is: 94,008,951,776.61
Step by Step Solution
- Step 1: Write the proportion equation
122,313,777,570.29 : 168,798,244,585.14 = 68,120,317,515.63 : x - Step 2: Convert to fraction form
122,313,777,570.29/168,798,244,585.14 = 68,120,317,515.63/x - Step 3: Cross multiply
122,313,777,570.29x = 168,798,244,585.14 × 68,120,317,515.63 - Step 4: Simplify right side
122,313,777,570.29x = 11,498,590,017,220,708,925,440 - Step 5: Solve for x
x = 11,498,590,017,220,708,925,440/122,313,777,570.29 - Step 6: Final answer
x = 94,008,951,776.61
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.