Finding the Fourth Proportional to 71,220,459.94, 106,774,880.81 and 28,121,923.44
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Solution
The fourth proportional to 71,220,459.94, 106,774,880.81 and 28,121,923.44 is: 42,160,848.53
Step by Step Solution
- Step 1: Write the proportion equation
71,220,459.94 : 106,774,880.81 = 28,121,923.44 : x - Step 2: Convert to fraction form
71,220,459.94/106,774,880.81 = 28,121,923.44/x - Step 3: Cross multiply
71,220,459.94x = 106,774,880.81 × 28,121,923.44 - Step 4: Simplify right side
71,220,459.94x = 3,002,715,023,313,336 - Step 5: Solve for x
x = 3,002,715,023,313,336/71,220,459.94 - Step 6: Final answer
x = 42,160,848.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.