Finding the Fourth Proportional to 368,423,135.10, 552,634,702.65 and 196,236,251.10
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Solution
The fourth proportional to 368,423,135.10, 552,634,702.65 and 196,236,251.10 is: 294,354,376.65
Step by Step Solution
- Step 1: Write the proportion equation
368,423,135.10 : 552,634,702.65 = 196,236,251.10 : x - Step 2: Convert to fraction form
368,423,135.10/552,634,702.65 = 196,236,251.10/x - Step 3: Cross multiply
368,423,135.10x = 552,634,702.65 × 196,236,251.10 - Step 4: Simplify right side
368,423,135.10x = 108,446,962,275,799,232 - Step 5: Solve for x
x = 108,446,962,275,799,232/368,423,135.10 - Step 6: Final answer
x = 294,354,376.65
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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.