Finding the Fourth Proportional to 247,120,973.68, 341,029,516.24 and 135,619,036.42
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Solution
The fourth proportional to 247,120,973.68, 341,029,516.24 and 135,619,036.42 is: 187,155,682.07
Step by Step Solution
- Step 1: Write the proportion equation
247,120,973.68 : 341,029,516.24 = 135,619,036.42 : x - Step 2: Convert to fraction form
247,120,973.68/341,029,516.24 = 135,619,036.42/x - Step 3: Cross multiply
247,120,973.68x = 341,029,516.24 × 135,619,036.42 - Step 4: Simplify right side
247,120,973.68x = 46,250,094,383,247,536 - Step 5: Solve for x
x = 46,250,094,383,247,536/247,120,973.68 - Step 6: Final answer
x = 187,155,682.07
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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.