Finding the Fourth Proportional to 86,269,533.76, 129,466,724.88 and 33,754,973.84
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Solution
The fourth proportional to 86,269,533.76, 129,466,724.88 and 33,754,973.84 is: 50,656,885.70
Step by Step Solution
- Step 1: Write the proportion equation
86,269,533.76 : 129,466,724.88 = 33,754,973.84 : x - Step 2: Convert to fraction form
86,269,533.76/129,466,724.88 = 33,754,973.84/x - Step 3: Cross multiply
86,269,533.76x = 129,466,724.88 × 33,754,973.84 - Step 4: Simplify right side
86,269,533.76x = 4,370,145,911,474,877.50 - Step 5: Solve for x
x = 4,370,145,911,474,877.50/86,269,533.76 - Step 6: Final answer
x = 50,656,885.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.