Finding the Fourth Proportional to 126,817,246,708.84, 174,997,449,799.86 and 74,665,745,636.68
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Solution
The fourth proportional to 126,817,246,708.84, 174,997,449,799.86 and 74,665,745,636.68 is: 103,032,634,857.81
Step by Step Solution
- Step 1: Write the proportion equation
126,817,246,708.84 : 174,997,449,799.86 = 74,665,745,636.68 : x - Step 2: Convert to fraction form
126,817,246,708.84/174,997,449,799.86 = 74,665,745,636.68/x - Step 3: Cross multiply
126,817,246,708.84x = 174,997,449,799.86 × 74,665,745,636.68 - Step 4: Simplify right side
126,817,246,708.84x = 13,066,315,073,824,021,807,104 - Step 5: Solve for x
x = 13,066,315,073,824,021,807,104/126,817,246,708.84 - Step 6: Final answer
x = 103,032,634,857.81
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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.