Finding the Fourth Proportional to 68,390,720.78, 94,376,360.31 and 37,450,356.98
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Solution
The fourth proportional to 68,390,720.78, 94,376,360.31 and 37,450,356.98 is: 51,679,940.55
Step by Step Solution
- Step 1: Write the proportion equation
68,390,720.78 : 94,376,360.31 = 37,450,356.98 : x - Step 2: Convert to fraction form
68,390,720.78/94,376,360.31 = 37,450,356.98/x - Step 3: Cross multiply
68,390,720.78x = 94,376,360.31 × 37,450,356.98 - Step 4: Simplify right side
68,390,720.78x = 3,534,428,383,610,722 - Step 5: Solve for x
x = 3,534,428,383,610,722/68,390,720.78 - Step 6: Final answer
x = 51,679,940.55
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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.