Finding the Fourth Proportional to 240,535,680.09, 331,939,238.55 and 130,527,393.09
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Solution
The fourth proportional to 240,535,680.09, 331,939,238.55 and 130,527,393.09 is: 180,127,802.48
Step by Step Solution
- Step 1: Write the proportion equation
240,535,680.09 : 331,939,238.55 = 130,527,393.09 : x - Step 2: Convert to fraction form
240,535,680.09/331,939,238.55 = 130,527,393.09/x - Step 3: Cross multiply
240,535,680.09x = 331,939,238.55 × 130,527,393.09 - Step 4: Simplify right side
240,535,680.09x = 43,327,163,472,211,136 - Step 5: Solve for x
x = 43,327,163,472,211,136/240,535,680.09 - Step 6: Final answer
x = 180,127,802.48
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1.5x scale
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.