Finding the Fourth Proportional to 98,310,415.60, 147,501,052.80 and 40,843,928.80
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Solution
The fourth proportional to 98,310,415.60, 147,501,052.80 and 40,843,928.80 is: 61,280,612.66
Step by Step Solution
- Step 1: Write the proportion equation
98,310,415.60 : 147,501,052.80 = 40,843,928.80 : x - Step 2: Convert to fraction form
98,310,415.60/147,501,052.80 = 40,843,928.80/x - Step 3: Cross multiply
98,310,415.60x = 147,501,052.80 × 40,843,928.80 - Step 4: Simplify right side
98,310,415.60x = 6,024,522,498,488,241 - Step 5: Solve for x
x = 6,024,522,498,488,241/98,310,415.60 - Step 6: Final answer
x = 61,280,612.66
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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.