Finding the Fourth Proportional to 209,952,758.80, 314,929,138.20 and 94,941,053.20
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Solution
The fourth proportional to 209,952,758.80, 314,929,138.20 and 94,941,053.20 is: 142,411,579.80
Step by Step Solution
- Step 1: Write the proportion equation
209,952,758.80 : 314,929,138.20 = 94,941,053.20 : x - Step 2: Convert to fraction form
209,952,758.80/314,929,138.20 = 94,941,053.20/x - Step 3: Cross multiply
209,952,758.80x = 314,929,138.20 × 94,941,053.20 - Step 4: Simplify right side
209,952,758.80x = 29,899,704,064,076,352 - Step 5: Solve for x
x = 29,899,704,064,076,352/209,952,758.80 - Step 6: Final answer
x = 142,411,579.80
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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.