Finding the Fourth Proportional to 163,257,181.98, 225,294,915.24 and 89,918,323.98
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Solution
The fourth proportional to 163,257,181.98, 225,294,915.24 and 89,918,323.98 is: 124,087,289.35
Step by Step Solution
- Step 1: Write the proportion equation
163,257,181.98 : 225,294,915.24 = 89,918,323.98 : x - Step 2: Convert to fraction form
163,257,181.98/225,294,915.24 = 89,918,323.98/x - Step 3: Cross multiply
163,257,181.98x = 225,294,915.24 × 89,918,323.98 - Step 4: Simplify right side
163,257,181.98x = 20,258,141,179,596,960 - Step 5: Solve for x
x = 20,258,141,179,596,960/163,257,181.98 - Step 6: Final answer
x = 124,087,289.35
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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.