Finding the Fourth Proportional to 72,497,576.58, 100,048,852.71 and 39,460,214.70
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Solution
The fourth proportional to 72,497,576.58, 100,048,852.71 and 39,460,214.70 is: 54,456,292.12
Step by Step Solution
- Step 1: Write the proportion equation
72,497,576.58 : 100,048,852.71 = 39,460,214.70 : x - Step 2: Convert to fraction form
72,497,576.58/100,048,852.71 = 39,460,214.70/x - Step 3: Cross multiply
72,497,576.58x = 100,048,852.71 × 39,460,214.70 - Step 4: Simplify right side
72,497,576.58x = 3,947,949,208,425,277 - Step 5: Solve for x
x = 3,947,949,208,425,277/72,497,576.58 - Step 6: Final answer
x = 54,456,292.12
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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.