Finding the Fourth Proportional to 107,926,433.36, 148,947,057.88 and 68,785,781.84
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Solution
The fourth proportional to 107,926,433.36, 148,947,057.88 and 68,785,781.84 is: 94,929,847.21
Step by Step Solution
- Step 1: Write the proportion equation
107,926,433.36 : 148,947,057.88 = 68,785,781.84 : x - Step 2: Convert to fraction form
107,926,433.36/148,947,057.88 = 68,785,781.84/x - Step 3: Cross multiply
107,926,433.36x = 148,947,057.88 × 68,785,781.84 - Step 4: Simplify right side
107,926,433.36x = 10,245,439,829,043,534 - Step 5: Solve for x
x = 10,245,439,829,043,534/107,926,433.36 - Step 6: Final answer
x = 94,929,847.21
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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.