Finding the Fourth Proportional to 74,404,559.78, 111,368,052.06 and 39,774,387.99
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Solution
The fourth proportional to 74,404,559.78, 111,368,052.06 and 39,774,387.99 is: 59,533,933.48
Step by Step Solution
- Step 1: Write the proportion equation
74,404,559.78 : 111,368,052.06 = 39,774,387.99 : x - Step 2: Convert to fraction form
74,404,559.78/111,368,052.06 = 39,774,387.99/x - Step 3: Cross multiply
74,404,559.78x = 111,368,052.06 × 39,774,387.99 - Step 4: Simplify right side
74,404,559.78x = 4,429,596,112,324,959 - Step 5: Solve for x
x = 4,429,596,112,324,959/74,404,559.78 - Step 6: Final answer
x = 59,533,933.48
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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.