Finding the Fourth Proportional to 129,032,000.30, 193,548,000.45 and 124,652,557.10
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Solution
The fourth proportional to 129,032,000.30, 193,548,000.45 and 124,652,557.10 is: 186,978,835.65
Step by Step Solution
- Step 1: Write the proportion equation
129,032,000.30 : 193,548,000.45 = 124,652,557.10 : x - Step 2: Convert to fraction form
129,032,000.30/193,548,000.45 = 124,652,557.10/x - Step 3: Cross multiply
129,032,000.30x = 193,548,000.45 × 124,652,557.10 - Step 4: Simplify right side
129,032,000.30x = 24,126,253,177,684,448 - Step 5: Solve for x
x = 24,126,253,177,684,448/129,032,000.30 - Step 6: Final answer
x = 186,978,835.65
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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.