Finding the Fourth Proportional to 135,403,728.78, 202,963,837.16 and 56,665,348.76
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Solution
The fourth proportional to 135,403,728.78, 202,963,837.16 and 56,665,348.76 is: 84,938,699.41
Step by Step Solution
- Step 1: Write the proportion equation
135,403,728.78 : 202,963,837.16 = 56,665,348.76 : x - Step 2: Convert to fraction form
135,403,728.78/202,963,837.16 = 56,665,348.76/x - Step 3: Cross multiply
135,403,728.78x = 202,963,837.16 × 56,665,348.76 - Step 4: Simplify right side
135,403,728.78x = 11,501,016,618,339,248 - Step 5: Solve for x
x = 11,501,016,618,339,248/135,403,728.78 - Step 6: Final answer
x = 84,938,699.41
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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.