Finding the Fourth Proportional to 83,635,119.70, 115,409,698.61 and 48,355,188.34
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Solution
The fourth proportional to 83,635,119.70, 115,409,698.61 and 48,355,188.34 is: 66,726,247.69
Step by Step Solution
- Step 1: Write the proportion equation
83,635,119.70 : 115,409,698.61 = 48,355,188.34 : x - Step 2: Convert to fraction form
83,635,119.70/115,409,698.61 = 48,355,188.34/x - Step 3: Cross multiply
83,635,119.70x = 115,409,698.61 × 48,355,188.34 - Step 4: Simplify right side
83,635,119.70x = 5,580,657,712,709,926 - Step 5: Solve for x
x = 5,580,657,712,709,926/83,635,119.70 - Step 6: Final answer
x = 66,726,247.69
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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.