Finding the Fourth Proportional to 249,036,519.52, 343,762,104.36 and 149,921,873.92
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Solution
The fourth proportional to 249,036,519.52, 343,762,104.36 and 149,921,873.92 is: 206,947,394.57
Step by Step Solution
- Step 1: Write the proportion equation
249,036,519.52 : 343,762,104.36 = 149,921,873.92 : x - Step 2: Convert to fraction form
249,036,519.52/343,762,104.36 = 149,921,873.92/x - Step 3: Cross multiply
249,036,519.52x = 343,762,104.36 × 149,921,873.92 - Step 4: Simplify right side
249,036,519.52x = 51,537,458,868,333,800 - Step 5: Solve for x
x = 51,537,458,868,333,800/249,036,519.52 - Step 6: Final answer
x = 206,947,394.57
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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.