Finding the Fourth Proportional to 187,340,335.56, 258,532,725.12 and 102,566,040.96
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Solution
The fourth proportional to 187,340,335.56, 258,532,725.12 and 102,566,040.96 is: 141,542,812.95
Step by Step Solution
- Step 1: Write the proportion equation
187,340,335.56 : 258,532,725.12 = 102,566,040.96 : x - Step 2: Convert to fraction form
187,340,335.56/258,532,725.12 = 102,566,040.96/x - Step 3: Cross multiply
187,340,335.56x = 258,532,725.12 × 102,566,040.96 - Step 4: Simplify right side
187,340,335.56x = 26,516,678,074,158,340 - Step 5: Solve for x
x = 26,516,678,074,158,340/187,340,335.56 - Step 6: Final answer
x = 141,542,812.95
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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.