Finding the Fourth Proportional to 84,821,824.64, 117,063,596.28 and 51,349,746.32
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Solution
The fourth proportional to 84,821,824.64, 117,063,596.28 and 51,349,746.32 is: 70,868,387.92
Step by Step Solution
- Step 1: Write the proportion equation
84,821,824.64 : 117,063,596.28 = 51,349,746.32 : x - Step 2: Convert to fraction form
84,821,824.64/117,063,596.28 = 51,349,746.32/x - Step 3: Cross multiply
84,821,824.64x = 117,063,596.28 × 51,349,746.32 - Step 4: Simplify right side
84,821,824.64x = 6,011,185,972,284,896 - Step 5: Solve for x
x = 6,011,185,972,284,896/84,821,824.64 - Step 6: Final answer
x = 70,868,387.92
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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.