Finding the Fourth Proportional to 187,266,113.28, 258,427,615.68 and 104,761,275.84
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Solution
The fourth proportional to 187,266,113.28, 258,427,615.68 and 104,761,275.84 is: 144,570,772.88
Step by Step Solution
- Step 1: Write the proportion equation
187,266,113.28 : 258,427,615.68 = 104,761,275.84 : x - Step 2: Convert to fraction form
187,266,113.28/258,427,615.68 = 104,761,275.84/x - Step 3: Cross multiply
187,266,113.28x = 258,427,615.68 × 104,761,275.84 - Step 4: Simplify right side
187,266,113.28x = 27,073,206,730,925,992 - Step 5: Solve for x
x = 27,073,206,730,925,992/187,266,113.28 - Step 6: Final answer
x = 144,570,772.88
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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.