Finding the Fourth Proportional to 199,344,822.80, 299,017,234.20 and 196,657,437.20
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Solution
The fourth proportional to 199,344,822.80, 299,017,234.20 and 196,657,437.20 is: 294,986,155.80
Step by Step Solution
- Step 1: Write the proportion equation
199,344,822.80 : 299,017,234.20 = 196,657,437.20 : x - Step 2: Convert to fraction form
199,344,822.80/299,017,234.20 = 196,657,437.20/x - Step 3: Cross multiply
199,344,822.80x = 299,017,234.20 × 196,657,437.20 - Step 4: Simplify right side
199,344,822.80x = 58,803,962,956,404,184 - Step 5: Solve for x
x = 58,803,962,956,404,184/199,344,822.80 - Step 6: Final answer
x = 294,986,155.80
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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.