Finding the Fourth Proportional to 299,642,864.06, 449,454,165.42 and 105,549,206.88
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Solution
The fourth proportional to 299,642,864.06, 449,454,165.42 and 105,549,206.88 is: 158,320,241.79
Step by Step Solution
- Step 1: Write the proportion equation
299,642,864.06 : 449,454,165.42 = 105,549,206.88 : x - Step 2: Convert to fraction form
299,642,864.06/449,454,165.42 = 105,549,206.88/x - Step 3: Cross multiply
299,642,864.06x = 449,454,165.42 × 105,549,206.88 - Step 4: Simplify right side
299,642,864.06x = 47,439,530,688,993,320 - Step 5: Solve for x
x = 47,439,530,688,993,320/299,642,864.06 - Step 6: Final answer
x = 158,320,241.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.