Finding the Fourth Proportional to 149,783,675.80, 224,675,513.70 and 129,628,283.80
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Solution
The fourth proportional to 149,783,675.80, 224,675,513.70 and 129,628,283.80 is: 194,442,425.70
Step by Step Solution
- Step 1: Write the proportion equation
149,783,675.80 : 224,675,513.70 = 129,628,283.80 : x - Step 2: Convert to fraction form
149,783,675.80/224,675,513.70 = 129,628,283.80/x - Step 3: Cross multiply
149,783,675.80x = 224,675,513.70 × 129,628,283.80 - Step 4: Simplify right side
149,783,675.80x = 29,124,301,252,814,384 - Step 5: Solve for x
x = 29,124,301,252,814,384/149,783,675.80 - Step 6: Final answer
x = 194,442,425.70
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1.5x scale
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.