Finding the Fourth Proportional to 89,879,855.48, 124,119,861 and 84,983,215.12
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Solution
The fourth proportional to 89,879,855.48, 124,119,861 and 84,983,215.12 is: 117,357,830.54
Step by Step Solution
- Step 1: Write the proportion equation
89,879,855.48 : 124,119,861 = 84,983,215.12 : x - Step 2: Convert to fraction form
89,879,855.48/124,119,861 = 84,983,215.12/x - Step 3: Cross multiply
89,879,855.48x = 124,119,861 × 84,983,215.12 - Step 4: Simplify right side
89,879,855.48x = 10,548,104,848,027,498 - Step 5: Solve for x
x = 10,548,104,848,027,498/89,879,855.48 - Step 6: Final answer
x = 117,357,830.54
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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.