Finding the Fourth Proportional to 84,821,824.43, 117,063,595.99 and 51,349,746.12
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Solution
The fourth proportional to 84,821,824.43, 117,063,595.99 and 51,349,746.12 is: 70,868,387.64
Step by Step Solution
- Step 1: Write the proportion equation
84,821,824.43 : 117,063,595.99 = 51,349,746.12 : x - Step 2: Convert to fraction form
84,821,824.43/117,063,595.99 = 51,349,746.12/x - Step 3: Cross multiply
84,821,824.43x = 117,063,595.99 × 51,349,746.12 - Step 4: Simplify right side
84,821,824.43x = 6,011,185,934,171,847 - Step 5: Solve for x
x = 6,011,185,934,171,847/84,821,824.43 - Step 6: Final answer
x = 70,868,387.64
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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.