Finding the Fourth Proportional to 98,643,594.80, 147,965,392.20 and 53,293,962.80
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Solution
The fourth proportional to 98,643,594.80, 147,965,392.20 and 53,293,962.80 is: 79,940,944.20
Step by Step Solution
- Step 1: Write the proportion equation
98,643,594.80 : 147,965,392.20 = 53,293,962.80 : x - Step 2: Convert to fraction form
98,643,594.80/147,965,392.20 = 53,293,962.80/x - Step 3: Cross multiply
98,643,594.80x = 147,965,392.20 × 53,293,962.80 - Step 4: Simplify right side
98,643,594.80x = 7,885,662,107,594,209 - Step 5: Solve for x
x = 7,885,662,107,594,209/98,643,594.80 - Step 6: Final answer
x = 79,940,944.20
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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.