Finding the Fourth Proportional to 135,403,729.20, 202,963,837.78 and 56,665,349.17
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Solution
The fourth proportional to 135,403,729.20, 202,963,837.78 and 56,665,349.17 is: 84,938,700.02
Step by Step Solution
- Step 1: Write the proportion equation
135,403,729.20 : 202,963,837.78 = 56,665,349.17 : x - Step 2: Convert to fraction form
135,403,729.20/202,963,837.78 = 56,665,349.17/x - Step 3: Cross multiply
135,403,729.20x = 202,963,837.78 × 56,665,349.17 - Step 4: Simplify right side
135,403,729.20x = 11,501,016,736,686,938 - Step 5: Solve for x
x = 11,501,016,736,686,938/135,403,729.20 - Step 6: Final answer
x = 84,938,700.02
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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.