Finding the Fourth Proportional to 163,310,519.70, 244,965,779.55 and 42,141,971.70
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Solution
The fourth proportional to 163,310,519.70, 244,965,779.55 and 42,141,971.70 is: 63,212,957.55
Step by Step Solution
- Step 1: Write the proportion equation
163,310,519.70 : 244,965,779.55 = 42,141,971.70 : x - Step 2: Convert to fraction form
163,310,519.70/244,965,779.55 = 42,141,971.70/x - Step 3: Cross multiply
163,310,519.70x = 244,965,779.55 × 42,141,971.70 - Step 4: Simplify right side
163,310,519.70x = 10,323,340,949,264,540 - Step 5: Solve for x
x = 10,323,340,949,264,540/163,310,519.70 - Step 6: Final answer
x = 63,212,957.55
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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.