Finding the Fourth Proportional to 217,292,533.02, 325,938,888.18 and 53,533,478.28
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Solution
The fourth proportional to 217,292,533.02, 325,938,888.18 and 53,533,478.28 is: 80,300,239.26
Step by Step Solution
- Step 1: Write the proportion equation
217,292,533.02 : 325,938,888.18 = 53,533,478.28 : x - Step 2: Convert to fraction form
217,292,533.02/325,938,888.18 = 53,533,478.28/x - Step 3: Cross multiply
217,292,533.02x = 325,938,888.18 × 53,533,478.28 - Step 4: Simplify right side
217,292,533.02x = 17,448,642,390,991,380 - Step 5: Solve for x
x = 17,448,642,390,991,380/217,292,533.02 - Step 6: Final answer
x = 80,300,239.26
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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.