Finding the Fourth Proportional to 149,769,631.80, 224,654,447.70 and 122,559,852.60
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Solution
The fourth proportional to 149,769,631.80, 224,654,447.70 and 122,559,852.60 is: 183,839,778.90
Step by Step Solution
- Step 1: Write the proportion equation
149,769,631.80 : 224,654,447.70 = 122,559,852.60 : x - Step 2: Convert to fraction form
149,769,631.80/224,654,447.70 = 122,559,852.60/x - Step 3: Cross multiply
149,769,631.80x = 224,654,447.70 × 122,559,852.60 - Step 4: Simplify right side
149,769,631.80x = 27,533,615,996,046,408 - Step 5: Solve for x
x = 27,533,615,996,046,408/149,769,631.80 - Step 6: Final answer
x = 183,839,778.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.