Finding the Fourth Proportional to 89,340,557.30, 133,599,424.99 and 84,982,076.80
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Solution
The fourth proportional to 89,340,557.30, 133,599,424.99 and 84,982,076.80 is: 127,081,774.93
Step by Step Solution
- Step 1: Write the proportion equation
89,340,557.30 : 133,599,424.99 = 84,982,076.80 : x - Step 2: Convert to fraction form
89,340,557.30/133,599,424.99 = 84,982,076.80/x - Step 3: Cross multiply
89,340,557.30x = 133,599,424.99 × 84,982,076.80 - Step 4: Simplify right side
89,340,557.30x = 11,353,556,594,936,018 - Step 5: Solve for x
x = 11,353,556,594,936,018/89,340,557.30 - Step 6: Final answer
x = 127,081,774.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.