Finding the Fourth Proportional to 187,266,149.28, 258,427,665.36 and 104,761,311.84
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Solution
The fourth proportional to 187,266,149.28, 258,427,665.36 and 104,761,311.84 is: 144,570,822.56
Step by Step Solution
- Step 1: Write the proportion equation
187,266,149.28 : 258,427,665.36 = 104,761,311.84 : x - Step 2: Convert to fraction form
187,266,149.28/258,427,665.36 = 104,761,311.84/x - Step 3: Cross multiply
187,266,149.28x = 258,427,665.36 × 104,761,311.84 - Step 4: Simplify right side
187,266,149.28x = 27,073,221,238,862,128 - Step 5: Solve for x
x = 27,073,221,238,862,128/187,266,149.28 - Step 6: Final answer
x = 144,570,822.56
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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.