Finding the Fourth Proportional to 236,266,448.80, 326,047,763.76 and 130,419,928.48
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Solution
The fourth proportional to 236,266,448.80, 326,047,763.76 and 130,419,928.48 is: 179,979,536.86
Step by Step Solution
- Step 1: Write the proportion equation
236,266,448.80 : 326,047,763.76 = 130,419,928.48 : x - Step 2: Convert to fraction form
236,266,448.80/326,047,763.76 = 130,419,928.48/x - Step 3: Cross multiply
236,266,448.80x = 326,047,763.76 × 130,419,928.48 - Step 4: Simplify right side
236,266,448.80x = 42,523,126,030,643,136 - Step 5: Solve for x
x = 42,523,126,030,643,136/236,266,448.80 - Step 6: Final answer
x = 179,979,536.86
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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.