Finding the Fourth Proportional to 130,409,534.80, 195,614,302.20 and 84,493,032.40
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Solution
The fourth proportional to 130,409,534.80, 195,614,302.20 and 84,493,032.40 is: 126,739,548.60
Step by Step Solution
- Step 1: Write the proportion equation
130,409,534.80 : 195,614,302.20 = 84,493,032.40 : x - Step 2: Convert to fraction form
130,409,534.80/195,614,302.20 = 84,493,032.40/x - Step 3: Cross multiply
130,409,534.80x = 195,614,302.20 × 84,493,032.40 - Step 4: Simplify right side
130,409,534.80x = 16,528,045,573,687,992 - Step 5: Solve for x
x = 16,528,045,573,687,992/130,409,534.80 - Step 6: Final answer
x = 126,739,548.60
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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.