Finding the Fourth Proportional to 247,120,969.92, 341,029,511.05 and 135,619,032.67
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Solution
The fourth proportional to 247,120,969.92, 341,029,511.05 and 135,619,032.67 is: 187,155,676.90
Step by Step Solution
- Step 1: Write the proportion equation
247,120,969.92 : 341,029,511.05 = 135,619,032.67 : x - Step 2: Convert to fraction form
247,120,969.92/341,029,511.05 = 135,619,032.67/x - Step 3: Cross multiply
247,120,969.92x = 341,029,511.05 × 135,619,032.67 - Step 4: Simplify right side
247,120,969.92x = 46,250,092,400,928,160 - Step 5: Solve for x
x = 46,250,092,400,928,160/247,120,969.92 - Step 6: Final answer
x = 187,155,676.90
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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.