Finding the Fourth Proportional to 135,197,266.51, 202,767,523.80 and 38,130,273.68
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Solution
The fourth proportional to 135,197,266.51, 202,767,523.80 and 38,130,273.68 is: 57,187,407.51
Step by Step Solution
- Step 1: Write the proportion equation
135,197,266.51 : 202,767,523.80 = 38,130,273.68 : x - Step 2: Convert to fraction form
135,197,266.51/202,767,523.80 = 38,130,273.68/x - Step 3: Cross multiply
135,197,266.51x = 202,767,523.80 × 38,130,273.68 - Step 4: Simplify right side
135,197,266.51x = 7,731,581,174,753,086 - Step 5: Solve for x
x = 7,731,581,174,753,086/135,197,266.51 - Step 6: Final answer
x = 57,187,407.51
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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.