Finding the Fourth Proportional to 272,708,880.72, 376,327,382.49 and 153,628,699.02
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Solution
The fourth proportional to 272,708,880.72, 376,327,382.49 and 153,628,699.02 is: 212,001,479.47
Step by Step Solution
- Step 1: Write the proportion equation
272,708,880.72 : 376,327,382.49 = 153,628,699.02 : x - Step 2: Convert to fraction form
272,708,880.72/376,327,382.49 = 153,628,699.02/x - Step 3: Cross multiply
272,708,880.72x = 376,327,382.49 × 153,628,699.02 - Step 4: Simplify right side
272,708,880.72x = 57,814,686,177,540,632 - Step 5: Solve for x
x = 57,814,686,177,540,632/272,708,880.72 - Step 6: Final answer
x = 212,001,479.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.