Finding the Fourth Proportional to 435,237,107.20, 652,855,660.80 and 112,120,979.20
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Solution
The fourth proportional to 435,237,107.20, 652,855,660.80 and 112,120,979.20 is: 168,181,468.80
Step by Step Solution
- Step 1: Write the proportion equation
435,237,107.20 : 652,855,660.80 = 112,120,979.20 : x - Step 2: Convert to fraction form
435,237,107.20/652,855,660.80 = 112,120,979.20/x - Step 3: Cross multiply
435,237,107.20x = 652,855,660.80 × 112,120,979.20 - Step 4: Simplify right side
435,237,107.20x = 73,198,815,965,159,056 - Step 5: Solve for x
x = 73,198,815,965,159,056/435,237,107.20 - Step 6: Final answer
x = 168,181,468.80
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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.