Finding the Fourth Proportional to 121,711,101.21, 182,130,257.84 and 105,372,584.73
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Solution
The fourth proportional to 121,711,101.21, 182,130,257.84 and 105,372,584.73 is: 157,681,064.71
Step by Step Solution
- Step 1: Write the proportion equation
121,711,101.21 : 182,130,257.84 = 105,372,584.73 : x - Step 2: Convert to fraction form
121,711,101.21/182,130,257.84 = 105,372,584.73/x - Step 3: Cross multiply
121,711,101.21x = 182,130,257.84 × 105,372,584.73 - Step 4: Simplify right side
121,711,101.21x = 19,191,536,025,615,284 - Step 5: Solve for x
x = 19,191,536,025,615,284/121,711,101.21 - Step 6: Final answer
x = 157,681,064.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.