Finding the Fourth Proportional to 68,416,856.64, 94,415,283.36 and 37,478,139.84
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Solution
The fourth proportional to 68,416,856.64, 94,415,283.36 and 37,478,139.84 is: 51,719,844.59
Step by Step Solution
- Step 1: Write the proportion equation
68,416,856.64 : 94,415,283.36 = 37,478,139.84 : x - Step 2: Convert to fraction form
68,416,856.64/94,415,283.36 = 37,478,139.84/x - Step 3: Cross multiply
68,416,856.64x = 94,415,283.36 × 37,478,139.84 - Step 4: Simplify right side
68,416,856.64x = 3,538,509,192,799,305.50 - Step 5: Solve for x
x = 3,538,509,192,799,305.50/68,416,856.64 - Step 6: Final answer
x = 51,719,844.59
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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.