Finding the Fourth Proportional to 99,497,809.20, 149,246,713.80 and 99,497,809.20
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Solution
The fourth proportional to 99,497,809.20, 149,246,713.80 and 99,497,809.20 is: 149,246,713.80
Step by Step Solution
- Step 1: Write the proportion equation
99,497,809.20 : 149,246,713.80 = 99,497,809.20 : x - Step 2: Convert to fraction form
99,497,809.20/149,246,713.80 = 99,497,809.20/x - Step 3: Cross multiply
99,497,809.20x = 149,246,713.80 × 99,497,809.20 - Step 4: Simplify right side
99,497,809.20x = 14,849,721,053,399,408 - Step 5: Solve for x
x = 14,849,721,053,399,408/99,497,809.20 - Step 6: Final answer
x = 149,246,713.80
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1.5x scale
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.